102212532 has 36 divisors (see below), whose sum is σ = 258687520. Its totient is φ = 34029072.

The previous prime is 102212531. The next prime is 102212543. The reversal of 102212532 is 235212201.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45819 + ... + 47997.

Almost surely, 2^102212532 is an apocalyptic number.

102212532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102212532 is an abundant number, since it is smaller than the sum of its proper divisors (156474988).

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

102212532 is a wasteful number, since it uses less digits than its factorization.

102212532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102212532 is about 10110.0213649626. The cubic root of 102212532 is about 467.5571638375.

Adding to 102212532 its reverse (235212201), we get a palindrome (337424733).

The spelling of 102212532 in words is "one hundred two million, two hundred twelve thousand, five hundred thirty-two".