20010120112012 has 24 divisors (see below), whose sum is σ = 35119460874960. Its totient is φ = 9975989806080.

The previous prime is 20010120112007. The next prime is 20010120112043. The reversal of 20010120112012 is 21021102101002.

It is a junction number, because it is equal to n+sod(n) for n = 20010120111983 and 20010120112001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67977564 + ... + 68271292.

It is an arithmetic number, because the mean of its divisors is an integer number (1463310869790).

Almost surely, 2^{20010120112012} is an apocalyptic number.

It is an amenable number.

20010120112012 is a deficient number, since it is larger than the sum of its proper divisors (15109340762948).

20010120112012 is a wasteful number, since it uses less digits than its factorization.

20010120112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343161 (or 343159 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20010120112012 its reverse (21021102101002), we get a palindrome (41031222213014).

The spelling of 20010120112012 in words is "twenty trillion, ten billion, one hundred twenty million, one hundred twelve thousand, twelve".