121323030012 has 24 divisors (see below), whose sum is σ = 314541189200. Its totient is φ = 40441009968.

The previous prime is 121323030001. The next prime is 121323030053. The reversal of 121323030012 is 210030323121.

121323030012 is a `hidden beast` number, since 121 + 3 + 230 + 300 + 12 = 666.

It is a super-2 number, since 2×121323030012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 561680587 + ... + 561680802.

Almost surely, 2^121323030012 is an apocalyptic number.

121323030012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121323030012 is an abundant number, since it is smaller than the sum of its proper divisors (193218159188).

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

121323030012 is a wasteful number, since it uses less digits than its factorization.

121323030012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123361402 (or 1123361394 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121323030012 its reverse (210030323121), we get a palindrome (331353353133).

The spelling of 121323030012 in words is "one hundred twenty-one billion, three hundred twenty-three million, thirty thousand, twelve".