1253345110202 has 4 divisors (see below), whose sum is σ = 1880017665306. Its totient is φ = 626672555100.

The previous prime is 1253345110169. The next prime is 1253345110207. The reversal of 1253345110202 is 2020115433521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1209584235721 + 43760874481 = 1099811^2 + 209191^2 .

It is not an unprimeable number, because it can be changed into a prime (1253345110207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313336277549 + ... + 313336277552.

Almost surely, 2^{1253345110202} is an apocalyptic number.

1253345110202 is a deficient number, since it is larger than the sum of its proper divisors (626672555104).

1253345110202 is an equidigital number, since it uses as much as digits as its factorization.

1253345110202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626672555103.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 1253345110202 in words is "one trillion, two hundred fifty-three billion, three hundred forty-five million, one hundred ten thousand, two hundred two".