212151676 has 12 divisors (see below), whose sum is σ = 405016920. Its totient is φ = 96432560.

The previous prime is 212151661. The next prime is 212151677. The reversal of 212151676 is 676151212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212151677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2410771 + ... + 2410858.

It is an arithmetic number, because the mean of its divisors is an integer number (33751410).

Almost surely, 2^212151676 is an apocalyptic number.

It is an amenable number.

212151676 is a deficient number, since it is larger than the sum of its proper divisors (192865244).

212151676 is a wasteful number, since it uses less digits than its factorization.

212151676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4821644 (or 4821642 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 212151676 is about 14565.4274224961. The cubic root of 212151676 is about 596.4153636568.

The spelling of 212151676 in words is "two hundred twelve million, one hundred fifty-one thousand, six hundred seventy-six".