1202012121099 has 32 divisors (see below), whose sum is σ = 1690146673920. Its totient is φ = 758698641792.

The previous prime is 1202012121061. The next prime is 1202012121109. The reversal of 1202012121099 is 9901212102021.

It is not a de Polignac number, because 1202012121099 - 2⁹ = 1202012120587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1202012121049) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 8538924 + ... + 8678550.

It is an arithmetic number, because the mean of its divisors is an integer number (52817083560).

Almost surely, 2^{1202012121099} is an apocalyptic number.

1202012121099 is a deficient number, since it is larger than the sum of its proper divisors (488134552821).

1202012121099 is a wasteful number, since it uses less digits than its factorization.

1202012121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141579.

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

The spelling of 1202012121099 in words is "one trillion, two hundred two billion, twelve million, one hundred twenty-one thousand, ninety-nine".