20120312123010 has 48 divisors (see below), whose sum is σ = 57068521660800. Its totient is φ = 4877651423520.

The previous prime is 20120312122991. The next prime is 20120312123057. The reversal of 20120312123010 is 1032121302102.

20120312123010 is a `hidden beast` number, since 2 + 0 + 120 + 31 + 212 + 301 + 0 = 666.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10161772810 + ... + 10161774789.

It is an arithmetic number, because the mean of its divisors is an integer number (1188927534600).

Almost surely, 2^{20120312123010} is an apocalyptic number.

20120312123010 is an abundant number, since it is smaller than the sum of its proper divisors (36948209537790).

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

20120312123010 is a wasteful number, since it uses less digits than its factorization.

20120312123010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20323547623 (or 20323547620 counting only the distinct ones).

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

Adding to 20120312123010 its reverse (1032121302102), we get a palindrome (21152433425112).

The spelling of 20120312123010 in words is "twenty trillion, one hundred twenty billion, three hundred twelve million, one hundred twenty-three thousand, ten".