121313001121012 has 12 divisors (see below), whose sum is σ = 212304074910340. Its totient is φ = 60654694003776.

The previous prime is 121313001120989. The next prime is 121313001121049. The reversal of 121313001121012 is 210121100313121.

It can be written as a sum of positive squares in 2 ways, for example, as 33119978960016 + 88193022160996 = 5754996^2 + 9391114^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451488087 + ... + 451756702.

Almost surely, 2^{121313001121012} is an apocalyptic number.

It is an amenable number.

121313001121012 is a deficient number, since it is larger than the sum of its proper divisors (90991073789328).

121313001121012 is a wasteful number, since it uses less digits than its factorization.

121313001121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903278370 (or 903278368 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 121313001121012 its reverse (210121100313121), we get a palindrome (331434101434133).

The spelling of 121313001121012 in words is "one hundred twenty-one trillion, three hundred thirteen billion, one million, one hundred twenty-one thousand, twelve".