20147110231212 has 54 divisors (see below), whose sum is σ = 52623231730524. Its totient is φ = 6499067805360.

The previous prime is 20147110231151. The next prime is 20147110231231. The reversal of 20147110231212 is 21213201174102.

20147110231212 is a `hidden beast` number, since 201 + 4 + 7 + 1 + 10 + 231 + 212 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 291142278 + ... + 291211469.

It is an arithmetic number, because the mean of its divisors is an integer number (974504291306).

Almost surely, 2^{20147110231212} is an apocalyptic number.

It is an amenable number.

20147110231212 is an abundant number, since it is smaller than the sum of its proper divisors (32476121499312).

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

20147110231212 is a wasteful number, since it uses less digits than its factorization.

20147110231212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582353819 (or 582353783 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The spelling of 20147110231212 in words is "twenty trillion, one hundred forty-seven billion, one hundred ten million, two hundred thirty-one thousand, two hundred twelve".