213336623412 has 72 divisors (see below), whose sum is σ = 595379846880. Its totient is φ = 63868566720.

The previous prime is 213336623393. The next prime is 213336623417. The reversal of 213336623412 is 214326633312.

213336623412 is a `hidden beast` number, since 2 + 13 + 3 + 3 + 6 + 623 + 4 + 12 = 666.

213336623412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213336623417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3212487 + ... + 3278222.

It is an arithmetic number, because the mean of its divisors is an integer number (8269164540).

Almost surely, 2^213336623412 is an apocalyptic number.

213336623412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213336623412 is an abundant number, since it is smaller than the sum of its proper divisors (382043223468).

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

213336623412 is a wasteful number, since it uses less digits than its factorization.

213336623412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490813 (or 6490808 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The spelling of 213336623412 in words is "two hundred thirteen billion, three hundred thirty-six million, six hundred twenty-three thousand, four hundred twelve".