20120130312210 has 48 divisors (see below), whose sum is σ = 52416339603264. Its totient is φ = 5354701335456.

The previous prime is 20120130312203. The next prime is 20120130312229. The reversal of 20120130312210 is 1221303102102.

20120130312210 is a `hidden beast` number, since 2 + 0 + 12 + 0 + 130 + 312 + 210 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 222178392 + ... + 222268931.

It is an arithmetic number, because the mean of its divisors is an integer number (1092007075068).

Almost surely, 2^{20120130312210} is an apocalyptic number.

20120130312210 is an abundant number, since it is smaller than the sum of its proper divisors (32296209291054).

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

20120130312210 is a wasteful number, since it uses less digits than its factorization.

20120130312210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444447839 (or 444447836 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20120130312210 its reverse (1221303102102), we get a palindrome (21341433414312).

The spelling of 20120130312210 in words is "twenty trillion, one hundred twenty billion, one hundred thirty million, three hundred twelve thousand, two hundred ten".