1612803887252 has 12 divisors (see below), whose sum is σ = 2822418949140. Its totient is φ = 806398473216.

The previous prime is 1612803887251. The next prime is 1612803887327. The reversal of 1612803887252 is 2527883082161.

It can be written as a sum of positive squares in 2 ways, for example, as 15021934096 + 1597781953156 = 122564^2 + 1264034^2 .

It is a super-2 number, since 2×1612803887252² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1612803887194 and 1612803887203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612803887251) 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, 376148 + ... + 1834964.

It is an arithmetic number, because the mean of its divisors is an integer number (235201579095).

Almost surely, 2^{1612803887252} is an apocalyptic number.

It is an amenable number.

1612803887252 is a deficient number, since it is larger than the sum of its proper divisors (1209615061888).

1612803887252 is a wasteful number, since it uses less digits than its factorization.

1612803887252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735210 (or 1735208 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 1612803887252 in words is "one trillion, six hundred twelve billion, eight hundred three million, eight hundred eighty-seven thousand, two hundred fifty-two".