12100999881029 has 2 divisors, whose sum is σ = 12100999881030. Its totient is φ = 12100999881028.

The previous prime is 12100999881023. The next prime is 12100999881037. The reversal of 12100999881029 is 92018899900121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11845092388900 + 255907492129 = 3441670^2 + 505873^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100999881029 - 2²⁸ = 12100731445573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100999881023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050499940514 + 6050499940515.

It is an arithmetic number, because the mean of its divisors is an integer number (6050499940515).

Almost surely, 2^{12100999881029} is an apocalyptic number.

It is an amenable number.

12100999881029 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100999881029 is an equidigital number, since it uses as much as digits as its factorization.

12100999881029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 59.

The spelling of 12100999881029 in words is "twelve trillion, one hundred billion, nine hundred ninety-nine million, eight hundred eighty-one thousand, twenty-nine".