51212603121130 has 128 divisors (see below), whose sum is σ = 110576120094720. Its totient is φ = 16857523837440.

The previous prime is 51212603121083. The next prime is 51212603121191. The reversal of 51212603121130 is 3112130621215.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44473087 + ... + 45610093.

It is an arithmetic number, because the mean of its divisors is an integer number (863875938240).

Almost surely, 2^{51212603121130} is an apocalyptic number.

51212603121130 is an abundant number, since it is smaller than the sum of its proper divisors (59363516973590).

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

51212603121130 is a wasteful number, since it uses less digits than its factorization.

51212603121130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138004.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 51212603121130 its reverse (3112130621215), we get a palindrome (54324733742345).

The spelling of 51212603121130 in words is "fifty-one trillion, two hundred twelve billion, six hundred three million, one hundred twenty-one thousand, one hundred thirty".