312012110130 has 64 divisors (see below), whose sum is σ = 856299472128. Its totient is φ = 71275818240.

The previous prime is 312012110101. The next prime is 312012110159. The reversal of 312012110130 is 31011210213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (312012110101) and next prime (312012110159).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 64741 + ... + 792600.

It is an arithmetic number, because the mean of its divisors is an integer number (13379679252).

Almost surely, 2^312012110130 is an apocalyptic number.

312012110130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312012110130 is an abundant number, since it is smaller than the sum of its proper divisors (544287361998).

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

312012110130 is a wasteful number, since it uses less digits than its factorization.

312012110130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859091.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 312012110130 its reverse (31011210213), we get a palindrome (343023320343).

The spelling of 312012110130 in words is "three hundred twelve billion, twelve million, one hundred ten thousand, one hundred thirty".