202012102111012 has 12 divisors (see below), whose sum is σ = 362143646467596. Its totient is φ = 98542488834560.

The previous prime is 202012102110991. The next prime is 202012102111033. The reversal of 202012102111012 is 210111201210202.

It is an interprime number because it is at equal distance from previous prime (202012102110991) and next prime (202012102111033).

It can be written as a sum of positive squares in 2 ways, for example, as 107062395633216 + 94949706477796 = 10347096^2 + 9744214^2 .

It is a super-4 number, since 4×202012102111012⁴ (a number of 58 digits) contains 4444 as substring.

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, 615890555053 + ... + 615890555380.

It is an arithmetic number, because the mean of its divisors is an integer number (30178637205633).

Almost surely, 2^{202012102111012} is an apocalyptic number.

It is an amenable number.

202012102111012 is a deficient number, since it is larger than the sum of its proper divisors (160131544356584).

202012102111012 is a wasteful number, since it uses less digits than its factorization.

202012102111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231781110478 (or 1231781110476 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202012102111012 its reverse (210111201210202), we get a palindrome (412123303321214).

The spelling of 202012102111012 in words is "two hundred two trillion, twelve billion, one hundred two million, one hundred eleven thousand, twelve".