1212680622 has 16 divisors (see below), whose sum is σ = 2426935680. Its totient is φ = 403964472.

The previous prime is 1212680621. The next prime is 1212680629. The reversal of 1212680622 is 2260862121.

It is a self number, because there is not a number n which added to its sum of digits gives 1212680622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212680621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55468 + ... + 74175.

It is an arithmetic number, because the mean of its divisors is an integer number (151683480).

Almost surely, 2^1212680622 is an apocalyptic number.

1212680622 is an abundant number, since it is smaller than the sum of its proper divisors (1214255058).

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

1212680622 is a wasteful number, since it uses less digits than its factorization.

1212680622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131207.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1212680622 is about 34823.5641771488. The cubic root of 1212680622 is about 1066.3885645870.

The spelling of 1212680622 in words is "one billion, two hundred twelve million, six hundred eighty thousand, six hundred twenty-two".