102212988 has 24 divisors (see below), whose sum is σ = 238745808. Its totient is φ = 34035456.

The previous prime is 102212987. The next prime is 102213011. The reversal of 102212988 is 889212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9220 + ... + 17012.

It is an arithmetic number, because the mean of its divisors is an integer number (9947742).

Almost surely, 2^102212988 is an apocalyptic number.

It is an amenable number.

102212988 is an abundant number, since it is smaller than the sum of its proper divisors (136532820).

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

102212988 is a wasteful number, since it uses less digits than its factorization.

102212988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8893 (or 8891 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 102212988 is about 10110.0439168186. The cubic root of 102212988 is about 467.5578591395.

The spelling of 102212988 in words is "one hundred two million, two hundred twelve thousand, nine hundred eighty-eight".