3132012121421 has 4 divisors (see below), whose sum is σ = 3147750876000. Its totient is φ = 3116273366844.

The previous prime is 3132012121369. The next prime is 3132012121463. The reversal of 3132012121421 is 1241212102313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3132012121421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3132012121481) 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, 7869376991 + ... + 7869377388.

It is an arithmetic number, because the mean of its divisors is an integer number (786937719000).

Almost surely, 2^{3132012121421} is an apocalyptic number.

It is an amenable number.

3132012121421 is a deficient number, since it is larger than the sum of its proper divisors (15738754579).

3132012121421 is a wasteful number, since it uses less digits than its factorization.

3132012121421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15738754578.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 3132012121421 its reverse (1241212102313), we get a palindrome (4373224223734).

The spelling of 3132012121421 in words is "three trillion, one hundred thirty-two billion, twelve million, one hundred twenty-one thousand, four hundred twenty-one".