121012133000 has 64 divisors (see below), whose sum is σ = 308911000320. Its totient is φ = 44004408000.

The previous prime is 121012132991. The next prime is 121012133009. The reversal of 121012133000 is 331210121.

It is an interprime number because it is at equal distance from previous prime (121012132991) and next prime (121012133009).

It is not an unprimeable number, because it can be changed into a prime (121012133009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5489552 + ... + 5511551.

It is an arithmetic number, because the mean of its divisors is an integer number (4826734380).

Almost surely, 2^121012133000 is an apocalyptic number.

121012133000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121012133000 is an abundant number, since it is smaller than the sum of its proper divisors (187898867320).

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

121012133000 is a wasteful number, since it uses less digits than its factorization.

121012133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11001135 (or 11001121 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 121012133000 its reverse (331210121), we get a palindrome (121343343121).

The spelling of 121012133000 in words is "one hundred twenty-one billion, twelve million, one hundred thirty-three thousand".