213002234478 has 24 divisors (see below), whose sum is σ = 503459827416. Its totient is φ = 64546131600.

The previous prime is 213002234411. The next prime is 213002234479. The reversal of 213002234478 is 874432200312.

It is a happy number.

213002234478 is a `hidden beast` number, since 2 + 1 + 300 + 2 + 2 + 344 + 7 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213002234479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 537884233 + ... + 537884628.

It is an arithmetic number, because the mean of its divisors is an integer number (20977492809).

Almost surely, 2^213002234478 is an apocalyptic number.

213002234478 is an abundant number, since it is smaller than the sum of its proper divisors (290457592938).

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

213002234478 is a wasteful number, since it uses less digits than its factorization.

213002234478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075768880 (or 1075768877 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 213002234478 in words is "two hundred thirteen billion, two million, two hundred thirty-four thousand, four hundred seventy-eight".