121014143012 has 18 divisors (see below), whose sum is σ = 246350220102. Its totient is φ = 51863204064.

The previous prime is 121014143011. The next prime is 121014143021. The reversal of 121014143012 is 210341410121.

It can be written as a sum of positive squares in only one way, i.e., 119955551716 + 1058591296 = 346346^2 + 32536^2 .

It is a super-3 number, since 3×121014143012³ (a number of 34 digits) contains 333 as substring.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (121014143011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308709353 + ... + 308709744.

It is an arithmetic number, because the mean of its divisors is an integer number (13686123339).

Almost surely, 2^121014143012 is an apocalyptic number.

It is an amenable number.

121014143012 is an abundant number, since it is smaller than the sum of its proper divisors (125336077090).

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

121014143012 is a wasteful number, since it uses less digits than its factorization.

121014143012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617419115 (or 617419106 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 121014143012 its reverse (210341410121), we get a palindrome (331355553133).

The spelling of 121014143012 in words is "one hundred twenty-one billion, fourteen million, one hundred forty-three thousand, twelve".