102203012212 has 24 divisors (see below), whose sum is σ = 206429852160. Its totient is φ = 43367613600.

The previous prime is 102203012183. The next prime is 102203012227. The reversal of 102203012212 is 212210302201.

It is a happy number.

It is a super-2 number, since 2×102203012212² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18067012 + ... + 18072667.

It is an arithmetic number, because the mean of its divisors is an integer number (8601243840).

Almost surely, 2^102203012212 is an apocalyptic number.

It is an amenable number.

102203012212 is an abundant number, since it is smaller than the sum of its proper divisors (104226839948).

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

102203012212 is a wasteful number, since it uses less digits than its factorization.

102203012212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139791 (or 36139789 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102203012212 its reverse (212210302201), we get a palindrome (314413314413).

The spelling of 102203012212 in words is "one hundred two billion, two hundred three million, twelve thousand, two hundred twelve".