10001201212112 has 30 divisors (see below), whose sum is σ = 21299045767314. Its totient is φ = 4546000550080.

The previous prime is 10001201212111. The next prime is 10001201212127. The reversal of 10001201212112 is 21121210210001.

It can be written as a sum of positive squares in only one way, i.e., 6683134950976 + 3318066261136 = 2585176^2 + 1821556^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001201212111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2582952923 + ... + 2582956794.

Almost surely, 2^{10001201212112} is an apocalyptic number.

It is an amenable number.

10001201212112 is an abundant number, since it is smaller than the sum of its proper divisors (11297844555202).

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

10001201212112 is a wasteful number, since it uses less digits than its factorization.

10001201212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165909747 (or 5165909730 counting only the distinct ones).

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

Adding to 10001201212112 its reverse (21121210210001), we get a palindrome (31122411422113).

The spelling of 10001201212112 in words is "ten trillion, one billion, two hundred one million, two hundred twelve thousand, one hundred twelve".