1212100112119 has 16 divisors (see below), whose sum is σ = 1307678421280. Its totient is φ = 1116856719360.

The previous prime is 1212100112029. The next prime is 1212100112131. The reversal of 1212100112119 is 9112110012121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1212100112119 - 2⁷ = 1212100111991 is a prime.

It is a super-2 number, since 2×1212100112119² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212100112119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212100112219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65662339 + ... + 65680795.

It is an arithmetic number, because the mean of its divisors is an integer number (81729901330).

Almost surely, 2^{1212100112119} is an apocalyptic number.

1212100112119 is a deficient number, since it is larger than the sum of its proper divisors (95578309161).

1212100112119 is a wasteful number, since it uses less digits than its factorization.

1212100112119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27250.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 1212100112119 in words is "one trillion, two hundred twelve billion, one hundred million, one hundred twelve thousand, one hundred nineteen".