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122222001012 = 223233413129749
BaseRepresentation
bin111000111010011111…
…1111011101101110100
3102200110212020221212020
41301310333323231310
54000302313013022
6132051545353140
711554526603316
oct1616477735564
9380425227766
10122222001012
114791a1513a1
121b82ba987b0
13b6aa64cb77
145cb64ad7b6
1532a50bb35c
hex1c74ffbb74

122222001012 has 48 divisors (see below), whose sum is σ = 297673488000. Its totient is φ = 38957615488.

The previous prime is 122222000987. The next prime is 122222001059. The reversal of 122222001012 is 210100222221.

It is a junction number, because it is equal to n+sod(n) for n = 122222000982 and 122222001000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877114 + ... + 1006862.

It is an arithmetic number, because the mean of its divisors is an integer number (6201531000).

Almost surely, 2122222001012 is an apocalyptic number.

122222001012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122222001012 is an abundant number, since it is smaller than the sum of its proper divisors (175451486988).

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

122222001012 is a wasteful number, since it uses less digits than its factorization.

122222001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133192 (or 133190 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 122222001012 its reverse (210100222221), we get a palindrome (332322223233).

The spelling of 122222001012 in words is "one hundred twenty-two billion, two hundred twenty-two million, one thousand, twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 3413 6826 10239 13652 20478 40956 78499 129749 156998 235497 259498 313996 389247 470994 518996 778494 941988 1556988 2984227 5968454 8952681 11936908 17905362 35810724 442833337 885666674 1328500011 1771333348 2657000022 5314000044 10185166751 20370333502 30555500253 40740667004 61111000506 122222001012