121031012130213 has 8 divisors (see below), whose sum is σ = 161862219647776. Its totient is φ = 80443573016400.

The previous prime is 121031012130163. The next prime is 121031012130241. The reversal of 121031012130213 is 312031210130121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121031012130213 - 2³³ = 121022422195621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121031012130213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121031012131213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60942099778 + ... + 60942101763.

It is an arithmetic number, because the mean of its divisors is an integer number (20232777455972).

Almost surely, 2^{121031012130213} is an apocalyptic number.

It is an amenable number.

121031012130213 is a deficient number, since it is larger than the sum of its proper divisors (40831207517563).

121031012130213 is a wasteful number, since it uses less digits than its factorization.

121031012130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121884201875.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121031012130213 its reverse (312031210130121), we get a palindrome (433062222260334).

The spelling of 121031012130213 in words is "one hundred twenty-one trillion, thirty-one billion, twelve million, one hundred thirty thousand, two hundred thirteen".