131212001041420 has 96 divisors (see below), whose sum is σ = 297308413648512. Its totient is φ = 48354911428608.

The previous prime is 131212001041411. The next prime is 131212001041543. The reversal of 131212001041420 is 24140100212131.

It is a junction number, because it is equal to n+sod(n) for n = 131212001041391 and 131212001041400.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577320124 + ... + 577547356.

It is an arithmetic number, because the mean of its divisors is an integer number (3096962642172).

Almost surely, 2^{131212001041420} is an apocalyptic number.

131212001041420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131212001041420 is an abundant number, since it is smaller than the sum of its proper divisors (166096412607092).

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

131212001041420 is a wasteful number, since it uses less digits than its factorization.

131212001041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231491 (or 231489 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131212001041420 its reverse (24140100212131), we get a palindrome (155352101253551).

The spelling of 131212001041420 in words is "one hundred thirty-one trillion, two hundred twelve billion, one million, forty-one thousand, four hundred twenty".