102012002099 has 4 divisors (see below), whose sum is σ = 116585145264. Its totient is φ = 87438858936.

The previous prime is 102012002077. The next prime is 102012002101. The reversal of 102012002099 is 990200210201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102012002099 - 2²⁸ = 101743566643 is a prime.

It is a super-3 number, since 3×102012002099³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (102012002009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7286571572 + ... + 7286571585.

It is an arithmetic number, because the mean of its divisors is an integer number (29146286316).

Almost surely, 2^102012002099 is an apocalyptic number.

102012002099 is a deficient number, since it is larger than the sum of its proper divisors (14573143165).

102012002099 is an equidigital number, since it uses as much as digits as its factorization.

102012002099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14573143164.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 102012002099 in words is "one hundred two billion, twelve million, two thousand, ninety-nine".