1202120101012 has 12 divisors (see below), whose sum is σ = 2132528124916. Its totient is φ = 592826351040.

The previous prime is 1202120101001. The next prime is 1202120101031. The reversal of 1202120101012 is 2101010212021.

It can be written as a sum of positive squares in 2 ways, for example, as 687035423376 + 515084677636 = 828876^2 + 717694^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1202120100983 and 1202120101001.

It is a congruent number.

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, 2058424539 + ... + 2058425122.

Almost surely, 2^{1202120101012} is an apocalyptic number.

It is an amenable number.

1202120101012 is a deficient number, since it is larger than the sum of its proper divisors (930408023904).

1202120101012 is a wasteful number, since it uses less digits than its factorization.

1202120101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116849738 (or 4116849736 counting only the distinct ones).

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

Adding to 1202120101012 its reverse (2101010212021), we get a palindrome (3303130313033).

The spelling of 1202120101012 in words is "one trillion, two hundred two billion, one hundred twenty million, one hundred one thousand, twelve".