121023133203012 has 48 divisors (see below), whose sum is σ = 283841618860800. Its totient is φ = 40133316224512.

The previous prime is 121023133202987. The next prime is 121023133203043. The reversal of 121023133203012 is 210302331320121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30390853 + ... + 34141619.

It is an arithmetic number, because the mean of its divisors is an integer number (5913367059600).

Almost surely, 2^{121023133203012} is an apocalyptic number.

121023133203012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121023133203012 is an abundant number, since it is smaller than the sum of its proper divisors (162818485657788).

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

121023133203012 is a wasteful number, since it uses less digits than its factorization.

121023133203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764620 (or 3764618 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 121023133203012 its reverse (210302331320121), we get a palindrome (331325464523133).

The spelling of 121023133203012 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred thirty-three million, two hundred three thousand, twelve".