121231101331232 has 48 divisors (see below), whose sum is σ = 249122032488000. Its totient is φ = 57963520234752.

The previous prime is 121231101331217. The next prime is 121231101331339. The reversal of 121231101331232 is 232133101132121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20962343 + ... + 26112870.

It is an arithmetic number, because the mean of its divisors is an integer number (5190042343500).

Almost surely, 2^{121231101331232} is an apocalyptic number.

It is an amenable number.

121231101331232 is an abundant number, since it is smaller than the sum of its proper divisors (127890931156768).

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

121231101331232 is a wasteful number, since it uses less digits than its factorization.

121231101331232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47078745 (or 47078737 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 121231101331232 its reverse (232133101132121), we get a palindrome (353364202463353).

The spelling of 121231101331232 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred one million, three hundred thirty-one thousand, two hundred thirty-two".