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121204102031312 = 24491129115717607
BaseRepresentation
bin11011100011110000000111…
…011100100110011111010000
3120220010222222021011221000112
4123203300013130212133100
5111341302000110000222
61105440221254140452
734346464431446156
oct3343600734463720
9526128867157015
10121204102031312
113568a4098a3123
1211716200651728
13528266180b331
1421d044a2ab3d6
15e02be451cbe2
hex6e3c077267d0

121204102031312 has 80 divisors (see below), whose sum is σ = 235674370589184. Its totient is φ = 60385372656000.

The previous prime is 121204102031273. The next prime is 121204102031321. The reversal of 121204102031312 is 213130201402121.

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, 15933229013 + ... + 15933236619.

Almost surely, 2121204102031312 is an apocalyptic number.

It is an amenable number.

121204102031312 is a deficient number, since it is larger than the sum of its proper divisors (114470268557872).

121204102031312 is a wasteful number, since it uses less digits than its factorization.

121204102031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968 (or 10962 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 121204102031312 its reverse (213130201402121), we get a palindrome (334334303433433).

The spelling of 121204102031312 in words is "one hundred twenty-one trillion, two hundred four billion, one hundred two million, thirty-one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 491 982 1291 1571 1964 2582 3142 3928 5164 6284 7607 7856 10328 12568 15214 20656 25136 30428 60856 121712 633881 771361 1267762 1542722 2028161 2535524 3085444 3735037 4056322 5071048 6170888 7470074 8112644 9820637 10142096 11950597 12341776 14940148 16225288 19641274 23901194 29880296 32450576 39282548 47802388 59760592 78565096 95604776 157130192 191209552 995827051 1991654102 3983308204 4821932767 5867743127 7966616408 9643865534 11735486254 15428220727 15933232816 19287731068 23470972508 30856441454 38575462136 46941945016 61712882908 77150924272 93883890032 123425765816 246851531632 7575256376957 15150512753914 30301025507828 60602051015656 121204102031312