212233547678 has 16 divisors (see below), whose sum is σ = 337289832000. Its totient is φ = 99811493376.

The previous prime is 212233547651. The next prime is 212233547681. The reversal of 212233547678 is 876745332212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917803 + ... + 2025446.

It is an arithmetic number, because the mean of its divisors is an integer number (21080614500).

Almost surely, 2^212233547678 is an apocalyptic number.

212233547678 is a deficient number, since it is larger than the sum of its proper divisors (125056284322).

212233547678 is a wasteful number, since it uses less digits than its factorization.

212233547678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944851.

The product of its digits is 3386880, while the sum is 50.

The spelling of 212233547678 in words is "two hundred twelve billion, two hundred thirty-three million, five hundred forty-seven thousand, six hundred seventy-eight".