131212032110 has 16 divisors (see below), whose sum is σ = 250074696816. Its totient is φ = 49397470848.

The previous prime is 131212032079. The next prime is 131212032137. The reversal of 131212032110 is 11230212131.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385917572 + ... + 385917911.

It is an arithmetic number, because the mean of its divisors is an integer number (15629668551).

Almost surely, 2^131212032110 is an apocalyptic number.

131212032110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131212032110 is a deficient number, since it is larger than the sum of its proper divisors (118862664706).

131212032110 is a wasteful number, since it uses less digits than its factorization.

131212032110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771835507.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131212032110 its reverse (11230212131), we get a palindrome (142442244241).

The spelling of 131212032110 in words is "one hundred thirty-one billion, two hundred twelve million, thirty-two thousand, one hundred ten".