102012212210 has 16 divisors (see below), whose sum is σ = 189953775000. Its totient is φ = 39397819776.

The previous prime is 102012212201. The next prime is 102012212231. The reversal of 102012212210 is 12212210201.

It can be written as a sum of positive squares in 4 ways, for example, as 100652004049 + 1360208161 = 317257^2 + 36881^2 .

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, 175882835 + ... + 175883414.

Almost surely, 2^102012212210 is an apocalyptic number.

102012212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102012212210 is a deficient number, since it is larger than the sum of its proper divisors (87941562790).

102012212210 is a wasteful number, since it uses less digits than its factorization.

102012212210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351766285.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102012212210 its reverse (12212210201), we get a palindrome (114224422411).

The spelling of 102012212210 in words is "one hundred two billion, twelve million, two hundred twelve thousand, two hundred ten".