1212000100113 has 48 divisors (see below), whose sum is σ = 1833997426688. Its totient is φ = 710682271200.

The previous prime is 1212000100099. The next prime is 1212000100133. The reversal of 1212000100113 is 3110010002121.

It is not a de Polignac number, because 1212000100113 - 2⁹ = 1212000099601 is a prime.

It is a super-2 number, since 2×1212000100113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1212000100133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60159720 + ... + 60179862.

Almost surely, 2^{1212000100113} is an apocalyptic number.

It is an amenable number.

1212000100113 is a deficient number, since it is larger than the sum of its proper divisors (621997326575).

1212000100113 is a wasteful number, since it uses less digits than its factorization.

1212000100113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25546 (or 25535 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 1212000100113 its reverse (3110010002121), we get a palindrome (4322010102234).

The spelling of 1212000100113 in words is "one trillion, two hundred twelve billion, one hundred thousand, one hundred thirteen".