102205235452 has 12 divisors (see below), whose sum is σ = 179757953200. Its totient is φ = 50845820256.

The previous prime is 102205235411. The next prime is 102205235453. The reversal of 102205235452 is 254532502201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102205235453) 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, 64198473 + ... + 64200064.

Almost surely, 2^102205235452 is an apocalyptic number.

It is an amenable number.

102205235452 is a deficient number, since it is larger than the sum of its proper divisors (77552717748).

102205235452 is a wasteful number, since it uses less digits than its factorization.

102205235452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128398740 (or 128398738 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 102205235452 its reverse (254532502201), we get a palindrome (356737737653).

The spelling of 102205235452 in words is "one hundred two billion, two hundred five million, two hundred thirty-five thousand, four hundred fifty-two".