102252534212 has 6 divisors (see below), whose sum is σ = 178941934878. Its totient is φ = 51126267104.

The previous prime is 102252534199. The next prime is 102252534221. The reversal of 102252534212 is 212435252201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 102063636676 + 188897536 = 319474^2 + 13744^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12781566773 + ... + 12781566780.

It is an arithmetic number, because the mean of its divisors is an integer number (29823655813).

Almost surely, 2^102252534212 is an apocalyptic number.

It is an amenable number.

102252534212 is a deficient number, since it is larger than the sum of its proper divisors (76689400666).

102252534212 is a wasteful number, since it uses less digits than its factorization.

102252534212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25563133557 (or 25563133555 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 102252534212 its reverse (212435252201), we get a palindrome (314687786413).

The spelling of 102252534212 in words is "one hundred two billion, two hundred fifty-two million, five hundred thirty-four thousand, two hundred twelve".