1012212100112 has 20 divisors (see below), whose sum is σ = 2046428811840. Its totient is φ = 484101439008.

The previous prime is 1012212100093. The next prime is 1012212100127. The reversal of 1012212100112 is 2110012122101.

It is a super-2 number, since 2×1012212100112² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1375287812 + ... + 1375288547.

It is an arithmetic number, because the mean of its divisors is an integer number (102321440592).

Almost surely, 2^{1012212100112} is an apocalyptic number.

It is an amenable number.

1012212100112 is an abundant number, since it is smaller than the sum of its proper divisors (1034216711728).

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

1012212100112 is a wasteful number, since it uses less digits than its factorization.

1012212100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750576390 (or 2750576384 counting only the distinct ones).

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

Adding to 1012212100112 its reverse (2110012122101), we get a palindrome (3122224222213).

The spelling of 1012212100112 in words is "one trillion, twelve billion, two hundred twelve million, one hundred thousand, one hundred twelve".