1020120202012 has 24 divisors (see below), whose sum is σ = 1879909270400. Its totient is φ = 483024424176.

The previous prime is 1020120201973. The next prime is 1020120202043. The reversal of 1020120202012 is 2102020210201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1020120201983 and 1020120202001.

It is a congruent number.

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, 2450328 + ... + 2836255.

Almost surely, 2^{1020120202012} is an apocalyptic number.

It is an amenable number.

1020120202012 is a deficient number, since it is larger than the sum of its proper divisors (859789068388).

1020120202012 is a wasteful number, since it uses less digits than its factorization.

1020120202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289145 (or 5289143 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020120202012 its reverse (2102020210201), we get a palindrome (3122140412213).

The spelling of 1020120202012 in words is "one trillion, twenty billion, one hundred twenty million, two hundred two thousand, twelve".