1212210120099 has 32 divisors (see below), whose sum is σ = 1769889139200. Its totient is φ = 731895887360.

The previous prime is 1212210120089. The next prime is 1212210120119. The reversal of 1212210120099 is 9900210122121.

It is not a de Polignac number, because 1212210120099 - 2⁷ = 1212210119971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212210120089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11950507 + ... + 12051515.

It is an arithmetic number, because the mean of its divisors is an integer number (55309035600).

Almost surely, 2^{1212210120099} is an apocalyptic number.

1212210120099 is a deficient number, since it is larger than the sum of its proper divisors (557679019101).

1212210120099 is a wasteful number, since it uses less digits than its factorization.

1212210120099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102395.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 1212210120099 in words is "one trillion, two hundred twelve billion, two hundred ten million, one hundred twenty thousand, ninety-nine".