212503914420196 has 81 divisors (see below), whose sum is σ = 433491086953449. Its totient is φ = 90885318644736.

The previous prime is 212503914420179. The next prime is 212503914420199. The reversal of 212503914420196 is 691024419305212.

The square root of 212503914420196 is 14577514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2706071060196 + 209797843360000 = 1645014^2 + 14484400^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (212503914420199) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 150818959140 + ... + 150818960548.

Almost surely, 2^{212503914420196} is an apocalyptic number.

212503914420196 is the 14577514-th square number.

It is an amenable number.

212503914420196 is an abundant number, since it is smaller than the sum of its proper divisors (220987172533253).

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

212503914420196 is an frugal number, since it uses more digits than its factorization.

212503914420196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

212503914420196 divided by its sum of digits (49) gives a square (4336814580004 = 2082502²).

The spelling of 212503914420196 in words is "two hundred twelve trillion, five hundred three billion, nine hundred fourteen million, four hundred twenty thousand, one hundred ninety-six".