4215513703212 has 240 divisors, whose sum is σ = 12743528878080. Its totient is φ = 1190196488448.

The previous prime is 4215513703207. The next prime is 4215513703223. The reversal of 4215513703212 is 2123073155124.

4215513703212 is a `hidden beast` number, since 4 + 2 + 1 + 551 + 3 + 70 + 32 + 1 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 409148853 + ... + 409159155.

It is an arithmetic number, because the mean of its divisors is an integer number (53098036992).

Almost surely, 2^{4215513703212} is an apocalyptic number.

4215513703212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4215513703212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6371764439040).

4215513703212 is an abundant number, since it is smaller than the sum of its proper divisors (8528015174868).

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

4215513703212 is a wasteful number, since it uses less digits than its factorization.

4215513703212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12442 (or 12431 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

Adding to 4215513703212 its reverse (2123073155124), we get a palindrome (6338586858336).

The spelling of 4215513703212 in words is "four trillion, two hundred fifteen billion, five hundred thirteen million, seven hundred three thousand, two hundred twelve".