6215220232452 has 72 divisors (see below), whose sum is σ = 19587360741312. Its totient is φ = 1614342916800.

The previous prime is 6215220232451. The next prime is 6215220232493. The reversal of 6215220232452 is 2542320225126.

6215220232452 is a `hidden beast` number, since 6 + 2 + 152 + 20 + 2 + 32 + 452 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6215220232451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1121068699 + ... + 1121074242.

Almost surely, 2^{6215220232452} is an apocalyptic number.

It is an amenable number.

6215220232452 is an abundant number, since it is smaller than the sum of its proper divisors (13372140508860).

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

6215220232452 is a wasteful number, since it uses less digits than its factorization.

6215220232452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242142969 (or 2242142964 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 6215220232452 its reverse (2542320225126), we get a palindrome (8757540457578).

The spelling of 6215220232452 in words is "six trillion, two hundred fifteen billion, two hundred twenty million, two hundred thirty-two thousand, four hundred fifty-two".