100012121221199 has 16 divisors (see below), whose sum is σ = 109437052389504. Its totient is φ = 90642693319200.

The previous prime is 100012121221183. The next prime is 100012121221223. The reversal of 100012121221199 is 991122121210001.

It is not a de Polignac number, because 100012121221199 - 2⁴ = 100012121221183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100012121221109) 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, 125592617 + ... + 126386429.

It is an arithmetic number, because the mean of its divisors is an integer number (6839815774344).

Almost surely, 2^{100012121221199} is an apocalyptic number.

100012121221199 is a deficient number, since it is larger than the sum of its proper divisors (9424931168305).

100012121221199 is a wasteful number, since it uses less digits than its factorization.

100012121221199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828758.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 100012121221199 in words is "one hundred trillion, twelve billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred ninety-nine".