102612199 has 2 divisors, whose sum is σ = 102612200. Its totient is φ = 102612198.

The previous prime is 102612143. The next prime is 102612227. The reversal of 102612199 is 991216201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102612199 - 2²¹ = 100515047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102612199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102612109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51306099 + 51306100.

It is an arithmetic number, because the mean of its divisors is an integer number (51306100).

Almost surely, 2^102612199 is an apocalyptic number.

102612199 is a deficient number, since it is larger than the sum of its proper divisors (1).

102612199 is an equidigital number, since it uses as much as digits as its factorization.

102612199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 102612199 is about 10129.7679637788. The cubic root of 102612199 is about 468.1657784992.

It can be divided in two parts, 1026 and 12199, that added together give a square (13225 = 115²).

The spelling of 102612199 in words is "one hundred two million, six hundred twelve thousand, one hundred ninety-nine".