131013212122 has 32 divisors (see below), whose sum is σ = 220891749120. Its totient is φ = 57824616960.

The previous prime is 131013212117. The next prime is 131013212131. The reversal of 131013212122 is 221212310131.

It is a self number, because there is not a number n which added to its sum of digits gives 131013212122.

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, 2678122 + ... + 2726602.

It is an arithmetic number, because the mean of its divisors is an integer number (6902867160).

Almost surely, 2^131013212122 is an apocalyptic number.

131013212122 is a deficient number, since it is larger than the sum of its proper divisors (89878536998).

131013212122 is a wasteful number, since it uses less digits than its factorization.

131013212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53038.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131013212122 its reverse (221212310131), we get a palindrome (352225522253).

It can be divided in two parts, 13101 and 3212122, that added together give a palindrome (3225223).

The spelling of 131013212122 in words is "one hundred thirty-one billion, thirteen million, two hundred twelve thousand, one hundred twenty-two".