131012221402122 has 32 divisors (see below), whose sum is σ = 269112608967552. Its totient is φ = 42489435795264.

The previous prime is 131012221402079. The next prime is 131012221402177. The reversal of 131012221402122 is 221204122210131.

It is a super-2 number, since 2×131012221402122² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131012221402092 and 131012221402101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2303523 + ... + 16350249.

It is an arithmetic number, because the mean of its divisors is an integer number (8409769030236).

Almost surely, 2^{131012221402122} is an apocalyptic number.

131012221402122 is an abundant number, since it is smaller than the sum of its proper divisors (138100387565430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131012221402122 is a wasteful number, since it uses less digits than its factorization.

131012221402122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14088782.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131012221402122 its reverse (221204122210131), we get a palindrome (352216343612253).

The spelling of 131012221402122 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-one million, four hundred two thousand, one hundred twenty-two".