1012112021210 has 8 divisors (see below), whose sum is σ = 1821801638196. Its totient is φ = 404844808480.

The previous prime is 1012112021159. The next prime is 1012112021213. The reversal of 1012112021210 is 121202112101.

It can be written as a sum of positive squares in 2 ways, for example, as 996129751969 + 15982269241 = 998063^2 + 126421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1012112021210³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012112021213) 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, 50605601051 + ... + 50605601070.

Almost surely, 2^{1012112021210} is an apocalyptic number.

1012112021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1012112021210 is a deficient number, since it is larger than the sum of its proper divisors (809689616986).

1012112021210 is a wasteful number, since it uses less digits than its factorization.

1012112021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101211202128.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012112021210 its reverse (121202112101), we get a palindrome (1133314133311).

The spelling of 1012112021210 in words is "one trillion, twelve billion, one hundred twelve million, twenty-one thousand, two hundred ten".