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122120230321012 = 22721162179110831
BaseRepresentation
bin11011110001000101010100…
…111100101011101101110100
3121000101120122211012000102211
4123301011110330223231310
5112001304212430233022
61111421132002543204
734502616102435400
oct3361052474535564
9530346584160384
10122120230321012
1135a02998391760
1211843876067b04
13531ab717ba811
14222291769c100
15e1b962931e77
hex6f1154f2bb74

122120230321012 has 72 divisors (see below), whose sum is σ = 271245722364288. Its totient is φ = 47571652195200.

The previous prime is 122120230320931. The next prime is 122120230321097. The reversal of 122120230321012 is 210123032021221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8848437 + ... + 17959267.

It is an arithmetic number, because the mean of its divisors is an integer number (3767301699504).

Almost surely, 2122120230321012 is an apocalyptic number.

It is an amenable number.

122120230321012 is an abundant number, since it is smaller than the sum of its proper divisors (149125492043276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122120230321012 is a wasteful number, since it uses less digits than its factorization.

122120230321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9117077 (or 9117068 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 122120230321012 its reverse (210123032021221), we get a palindrome (332243262342233).

The spelling of 122120230321012 in words is "one hundred twenty-two trillion, one hundred twenty billion, two hundred thirty million, three hundred twenty-one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 6217 12434 24868 43519 68387 87038 136774 174076 273548 304633 478709 609266 957418 1218532 1914836 3350963 6701926 9110831 13403852 18221662 36443324 63775817 100219141 127551634 200438282 255103268 400876564 446430719 701533987 892861438 1403067974 1785722876 2806135948 4910737909 9821475818 19642951636 56642036327 113284072654 226568145308 396494254289 623062399597 792988508578 1246124799194 1585977017156 2492249598388 2775459780023 4361436797179 5550919560046 8722873594358 11101839120092 17445747188716 30530057580253 61060115160506 122120230321012