211347372 has 12 divisors (see below), whose sum is σ = 493143896. Its totient is φ = 70449120.

The previous prime is 211347361. The next prime is 211347377. The reversal of 211347372 is 273743112.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (211347377) 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, 8806129 + ... + 8806152.

Almost surely, 2^211347372 is an apocalyptic number.

It is an amenable number.

211347372 is an abundant number, since it is smaller than the sum of its proper divisors (281796524).

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

211347372 is a wasteful number, since it uses less digits than its factorization.

211347372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17612288 (or 17612286 counting only the distinct ones).

The product of its digits is 7056, while the sum is 30.

The square root of 211347372 is about 14537.7911664737. The cubic root of 211347372 is about 595.6607042867.

The spelling of 211347372 in words is "two hundred eleven million, three hundred forty-seven thousand, three hundred seventy-two".