121023111002012 has 24 divisors (see below), whose sum is σ = 215023509955296. Its totient is φ = 59590384812288.

The previous prime is 121023111002009. The next prime is 121023111002033. The reversal of 121023111002012 is 210200111320121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320106833 + ... + 320484680.

It is an arithmetic number, because the mean of its divisors is an integer number (8959312914804).

Almost surely, 2^{121023111002012} is an apocalyptic number.

It is an amenable number.

121023111002012 is a deficient number, since it is larger than the sum of its proper divisors (94000398953284).

121023111002012 is a wasteful number, since it uses less digits than its factorization.

121023111002012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640592237 (or 640592235 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121023111002012 its reverse (210200111320121), we get a palindrome (331223222322133).

The spelling of 121023111002012 in words is "one hundred twenty-one trillion, twenty-three billion, one hundred eleven million, two thousand, twelve".