121012023311000 has 64 divisors (see below), whose sum is σ = 283171659432480. Its totient is φ = 48404206780800.

The previous prime is 121012023310999. The next prime is 121012023311029. The reversal of 121012023311000 is 113320210121.

It is a self number, because there is not a number n which added to its sum of digits gives 121012023311000.

It is a congruent number.

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, 84436394 + ... + 85857606.

Almost surely, 2^{121012023311000} is an apocalyptic number.

121012023311000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012023311000 is an abundant number, since it is smaller than the sum of its proper divisors (162159636121480).

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

121012023311000 is a wasteful number, since it uses less digits than its factorization.

121012023311000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506381 (or 1506367 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121012023311000 its reverse (113320210121), we get a palindrome (121125343521121).

The spelling of 121012023311000 in words is "one hundred twenty-one trillion, twelve billion, twenty-three million, three hundred eleven thousand".