102012211999 has 2 divisors, whose sum is σ = 102012212000. Its totient is φ = 102012211998.

The previous prime is 102012211993. The next prime is 102012212047. The reversal of 102012211999 is 999112210201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102012211999 - 2¹⁵ = 102012179231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102012211993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51006105999 + 51006106000.

It is an arithmetic number, because the mean of its divisors is an integer number (51006106000).

Almost surely, 2^102012211999 is an apocalyptic number.

102012211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

102012211999 is an equidigital number, since it uses as much as digits as its factorization.

102012211999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 102012211999 in words is "one hundred two billion, twelve million, two hundred eleven thousand, nine hundred ninety-nine".