121311011220232 has 64 divisors (see below), whose sum is σ = 237681615974400. Its totient is φ = 57936715594560.

The previous prime is 121311011220227. The next prime is 121311011220241. The reversal of 121311011220232 is 232022110113121.

It is a happy number.

It is a super-2 number, since 2×121311011220232² (a number of 29 digits) contains 22 as substring.

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, 462840403 + ... + 463102429.

It is an arithmetic number, because the mean of its divisors is an integer number (3713775249600).

Almost surely, 2^{121311011220232} is an apocalyptic number.

It is an amenable number.

121311011220232 is a deficient number, since it is larger than the sum of its proper divisors (116370604754168).

121311011220232 is a wasteful number, since it uses less digits than its factorization.

121311011220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265586 (or 265582 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121311011220232 its reverse (232022110113121), we get a palindrome (353333121333353).

The spelling of 121311011220232 in words is "one hundred twenty-one trillion, three hundred eleven billion, eleven million, two hundred twenty thousand, two hundred thirty-two".