20010120020012 has 12 divisors (see below), whose sum is σ = 35017884946296. Its totient is φ = 10005010035360.

The previous prime is 20010120019997. The next prime is 20010120020021. The reversal of 20010120020012 is 21002002101002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20010120019975 and 20010120020002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11585414 + ... + 13200077.

It is an arithmetic number, because the mean of its divisors is an integer number (2918157078858).

Almost surely, 2^{20010120020012} is an apocalyptic number.

It is an amenable number.

20010120020012 is a deficient number, since it is larger than the sum of its proper divisors (15007764926284).

20010120020012 is a wasteful number, since it uses less digits than its factorization.

20010120020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24987328 (or 24987326 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010120020012 its reverse (21002002101002), we get a palindrome (41012122121014).

The spelling of 20010120020012 in words is "twenty trillion, ten billion, one hundred twenty million, twenty thousand, twelve".