1012201202120 has 64 divisors (see below), whose sum is σ = 2453070312000. Its totient is φ = 374650714368.

The previous prime is 1012201202113. The next prime is 1012201202123. The reversal of 1012201202120 is 212021022101.

It is a junction number, because it is equal to n+sod(n) for n = 1012201202095 and 1012201202104.

It is not an unprimeable number, because it can be changed into a prime (1012201202123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15453875 + ... + 15519234.

It is an arithmetic number, because the mean of its divisors is an integer number (38329223625).

Almost surely, 2^{1012201202120} is an apocalyptic number.

1012201202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012201202120 is an abundant number, since it is smaller than the sum of its proper divisors (1440869109880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012201202120 is a wasteful number, since it uses less digits than its factorization.

1012201202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30973182 (or 30973178 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012201202120 its reverse (212021022101), we get a palindrome (1224222224221).

The spelling of 1012201202120 in words is "one trillion, twelve billion, two hundred one million, two hundred two thousand, one hundred twenty".