121002213000 has 64 divisors (see below), whose sum is σ = 377526913920. Its totient is φ = 32267256000.

The previous prime is 121002212977. The next prime is 121002213011. The reversal of 121002213000 is 312200121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20164036 + ... + 20170035.

It is an arithmetic number, because the mean of its divisors is an integer number (5898858030).

Almost surely, 2^121002213000 is an apocalyptic number.

121002213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121002213000 is an abundant number, since it is smaller than the sum of its proper divisors (256524700920).

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

121002213000 is a wasteful number, since it uses less digits than its factorization.

121002213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40334095 (or 40334081 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 121002213000 its reverse (312200121), we get a palindrome (121314413121).

The spelling of 121002213000 in words is "one hundred twenty-one billion, two million, two hundred thirteen thousand".