121001323012 has 12 divisors (see below), whose sum is σ = 212230314576. Its totient is φ = 60364090280.

The previous prime is 121001322997. The next prime is 121001323019. The reversal of 121001323012 is 210323100121.

It is a super-3 number, since 3×121001323012³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121001323019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34140814 + ... + 34144357.

It is an arithmetic number, because the mean of its divisors is an integer number (17685859548).

Almost surely, 2^121001323012 is an apocalyptic number.

It is an amenable number.

121001323012 is a deficient number, since it is larger than the sum of its proper divisors (91228991564).

121001323012 is a wasteful number, since it uses less digits than its factorization.

121001323012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68285618 (or 68285616 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121001323012 its reverse (210323100121), we get a palindrome (331324423133).

The spelling of 121001323012 in words is "one hundred twenty-one billion, one million, three hundred twenty-three thousand, twelve".