212666700929 has 16 divisors (see below), whose sum is σ = 232571367936. Its totient is φ = 193590969600.

The previous prime is 212666700919. The next prime is 212666700931. The reversal of 212666700929 is 929007666212.

It is a cyclic number.

It is not a de Polignac number, because 212666700929 - 2⁴ = 212666700913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212666700919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 828839 + ... + 1054659.

It is an arithmetic number, because the mean of its divisors is an integer number (14535710496).

Almost surely, 2^212666700929 is an apocalyptic number.

It is an amenable number.

212666700929 is a deficient number, since it is larger than the sum of its proper divisors (19904667007).

212666700929 is a wasteful number, since it uses less digits than its factorization.

212666700929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227656.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 212666700929 in words is "two hundred twelve billion, six hundred sixty-six million, seven hundred thousand, nine hundred twenty-nine".