131212513253030 has 32 divisors (see below), whose sum is σ = 259534346084640. Its totient is φ = 47365366424320.

The previous prime is 131212513252999. The next prime is 131212513253053. The reversal of 131212513253030 is 30352315212131.

It is a congruent number.

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, 4353419345 + ... + 4353449484.

It is an arithmetic number, because the mean of its divisors is an integer number (8110448315145).

Almost surely, 2^{131212513253030} is an apocalyptic number.

131212513253030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212513253030 is a deficient number, since it is larger than the sum of its proper divisors (128321832831610).

131212513253030 is a wasteful number, since it uses less digits than its factorization.

131212513253030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706868984.

The product of its (nonzero) digits is 16200, while the sum is 32.

Adding to 131212513253030 its reverse (30352315212131), we get a palindrome (161564828465161).

The spelling of 131212513253030 in words is "one hundred thirty-one trillion, two hundred twelve billion, five hundred thirteen million, two hundred fifty-three thousand, thirty".