212836818622 has 8 divisors (see below), whose sum is σ = 322238921976. Its totient is φ = 105423844632.

The previous prime is 212836818559. The next prime is 212836818673. The reversal of 212836818622 is 226818638212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212836818622² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497282073 + ... + 497282500.

It is an arithmetic number, because the mean of its divisors is an integer number (40279865247).

Almost surely, 2^212836818622 is an apocalyptic number.

212836818622 is a deficient number, since it is larger than the sum of its proper divisors (109402103354).

212836818622 is a wasteful number, since it uses less digits than its factorization.

212836818622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994564682.

The product of its digits is 884736, while the sum is 49.

The spelling of 212836818622 in words is "two hundred twelve billion, eight hundred thirty-six million, eight hundred eighteen thousand, six hundred twenty-two".