400212012013131 has 8 divisors (see below), whose sum is σ = 540925824456400. Its totient is φ = 263153103789312.

The previous prime is 400212012013127. The next prime is 400212012013207. The reversal of 400212012013131 is 131310210212004.

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

It is not a de Polignac number, because 400212012013131 - 2² = 400212012013127 is a prime.

It is a super-2 number, since 2×400212012013131² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400212012013098 and 400212012013107.

It is not an unprimeable number, because it can be changed into a prime (400212012013831) 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, 913726054606 + ... + 913726055043.

It is an arithmetic number, because the mean of its divisors is an integer number (67615728057050).

Almost surely, 2^{400212012013131} is an apocalyptic number.

400212012013131 is a deficient number, since it is larger than the sum of its proper divisors (140713812443269).

400212012013131 is a wasteful number, since it uses less digits than its factorization.

400212012013131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827452109725.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 400212012013131 its reverse (131310210212004), we get a palindrome (531522222225135).

The spelling of 400212012013131 in words is "four hundred trillion, two hundred twelve billion, twelve million, thirteen thousand, one hundred thirty-one".