102212120210 has 32 divisors (see below), whose sum is σ = 188182811952. Its totient is φ = 39957299200.

The previous prime is 102212120207. The next prime is 102212120233. The reversal of 102212120210 is 12021212201.

It can be written as a sum of positive squares in 8 ways, for example, as 80456755201 + 21755365009 = 283649^2 + 147497^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238991 + ... + 511410.

Almost surely, 2^102212120210 is an apocalyptic number.

102212120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102212120210 is a deficient number, since it is larger than the sum of its proper divisors (85970691742).

102212120210 is a wasteful number, since it uses less digits than its factorization.

102212120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750718.

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

Adding to 102212120210 its reverse (12021212201), we get a palindrome (114233332411).

The spelling of 102212120210 in words is "one hundred two billion, two hundred twelve million, one hundred twenty thousand, two hundred ten".