1020100010012 has 12 divisors (see below), whose sum is σ = 1785667776816. Its totient is φ = 509909216640.

The previous prime is 1020100010011. The next prime is 1020100010089. The reversal of 1020100010012 is 2100100010201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020100010011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35180789 + ... + 35209772.

It is an arithmetic number, because the mean of its divisors is an integer number (148805648068).

Almost surely, 2^{1020100010012} is an apocalyptic number.

It is an amenable number.

1020100010012 is a deficient number, since it is larger than the sum of its proper divisors (765567766804).

1020100010012 is a wasteful number, since it uses less digits than its factorization.

1020100010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70394188 (or 70394186 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1020100010012 its reverse (2100100010201), we get a palindrome (3120200020213).

The spelling of 1020100010012 in words is "one trillion, twenty billion, one hundred million, ten thousand, twelve".