212515692618372 has 384 divisors, whose sum is σ = 608642494709760. Its totient is φ = 56824934799360.

The previous prime is 212515692618371. The next prime is 212515692618389. The reversal of 212515692618372 is 273816296515212.

It is not an unprimeable number, because it can be changed into a prime (212515692618371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9707004658 + ... + 9707026550.

It is an arithmetic number, because the mean of its divisors is an integer number (1585006496640).

Almost surely, 2^{212515692618372} is an apocalyptic number.

212515692618372 is a gapful number since it is divisible by the number (22) 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 212515692618372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304321247354880).

212515692618372 is an abundant number, since it is smaller than the sum of its proper divisors (396126802091388).

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

212515692618372 is a wasteful number, since it uses less digits than its factorization.

212515692618372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23883 (or 23881 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 60.

The spelling of 212515692618372 in words is "two hundred twelve trillion, five hundred fifteen billion, six hundred ninety-two million, six hundred eighteen thousand, three hundred seventy-two".