12252152020 has 12 divisors (see below), whose sum is σ = 25729519284. Its totient is φ = 4900860800.

The previous prime is 12252151973. The next prime is 12252152069. The reversal of 12252152020 is 2025125221.

It can be written as a sum of positive squares in 2 ways, for example, as 8642305296 + 3609846724 = 92964^2 + 60082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12252151982 and 12252152000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306303781 + ... + 306303820.

It is an arithmetic number, because the mean of its divisors is an integer number (2144126607).

Almost surely, 2^12252152020 is an apocalyptic number.

12252152020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12252152020 is an abundant number, since it is smaller than the sum of its proper divisors (13477367264).

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

12252152020 is a wasteful number, since it uses less digits than its factorization.

12252152020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612607610 (or 612607608 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 12252152020 its reverse (2025125221), we get a palindrome (14277277241).

The spelling of 12252152020 in words is "twelve billion, two hundred fifty-two million, one hundred fifty-two thousand, twenty".