102251434112 has 32 divisors (see below), whose sum is σ = 205804095420. Its totient is φ = 50598641664.

The previous prime is 102251434111. The next prime is 102251434133. The reversal of 102251434112 is 211434152201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 88389668416 + 13861765696 = 297304^2 + 117736^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (102251434111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4105313 + ... + 4130144.

Almost surely, 2^102251434112 is an apocalyptic number.

It is an amenable number.

102251434112 is an abundant number, since it is smaller than the sum of its proper divisors (103552661308).

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

102251434112 is an frugal number, since it uses more digits than its factorization.

102251434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235568 (or 8235556 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 102251434112 its reverse (211434152201), we get a palindrome (313685586313).

The spelling of 102251434112 in words is "one hundred two billion, two hundred fifty-one million, four hundred thirty-four thousand, one hundred twelve".