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121232011444 = 22202914937409
BaseRepresentation
bin111000011100111111…
…1011011000010110100
3102120220212102021110221
41300321333123002310
53441240343331234
6131405422424124
711521146044335
oct1607177330264
9376825367427
10121232011444
11474613455a5
121b5b4432044
13b58050921b
145c20c0a28c
153248215eb4
hex1c39fdb0b4

121232011444 has 12 divisors (see below), whose sum is σ = 212260596100. Its totient is φ = 60586126848.

The previous prime is 121232011421. The next prime is 121232011493. The reversal of 121232011444 is 444110232121.

It can be written as a sum of positive squares in 2 ways, for example, as 90829904400 + 30402107044 = 301380^2 + 174362^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7460589 + ... + 7476820.

Almost surely, 2121232011444 is an apocalyptic number.

It is an amenable number.

121232011444 is a deficient number, since it is larger than the sum of its proper divisors (91028584656).

121232011444 is a wasteful number, since it uses less digits than its factorization.

121232011444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14939442 (or 14939440 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 121232011444 its reverse (444110232121), we get a palindrome (565342243565).

The spelling of 121232011444 in words is "one hundred twenty-one billion, two hundred thirty-two million, eleven thousand, four hundred forty-four".

Divisors: 1 2 4 2029 4058 8116 14937409 29874818 59749636 30308002861 60616005722 121232011444