102212802 has 12 divisors (see below), whose sum is σ = 221461110. Its totient is φ = 34070928.

The previous prime is 102212801. The next prime is 102212813. The reversal of 102212802 is 208212201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 38675961 = 7971^2 + 6219^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 5678489 = 102212802 / (1 + 0 + 2 + 2 + 1 + 2 + 8 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (102212801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2839227 + ... + 2839262.

Almost surely, 2^102212802 is an apocalyptic number.

102212802 is an abundant number, since it is smaller than the sum of its proper divisors (119248308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102212802 is a wasteful number, since it uses less digits than its factorization.

102212802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5678497 (or 5678494 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 102212802 is about 10110.0347180413. The cubic root of 102212802 is about 467.5575755297.

It can be divided in two parts, 1022 and 12802, that added together give a cube (13824 = 24³).

The spelling of 102212802 in words is "one hundred two million, two hundred twelve thousand, eight hundred two".