102022212 has 24 divisors (see below), whose sum is σ = 238354816. Its totient is φ = 33964128.

The previous prime is 102022183. The next prime is 102022223. The reversal of 102022212 is 212220201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5253 + ... + 15219.

Almost surely, 2^102022212 is an apocalyptic number.

102022212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102022212 is an abundant number, since it is smaller than the sum of its proper divisors (136332604).

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

102022212 is a wasteful number, since it uses less digits than its factorization.

102022212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10827 (or 10825 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 102022212 is about 10100.6045363632. The cubic root of 102022212 is about 467.2667859837.

Adding to 102022212 its reverse (212220201), we get a palindrome (314242413).

It can be divided in two parts, 1020 and 22212, that added together give a palindrome (23232).

The spelling of 102022212 in words is "one hundred two million, twenty-two thousand, two hundred twelve".