212207372229 has 4 divisors (see below), whose sum is σ = 282943162976. Its totient is φ = 141471581484.

The previous prime is 212207372219. The next prime is 212207372249. The reversal of 212207372229 is 922273702212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 212207372229 - 2⁴ = 212207372213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212207372219) 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, 35367895369 + ... + 35367895374.

It is an arithmetic number, because the mean of its divisors is an integer number (70735790744).

Almost surely, 2^212207372229 is an apocalyptic number.

It is an amenable number.

212207372229 is a deficient number, since it is larger than the sum of its proper divisors (70735790747).

212207372229 is an equidigital number, since it uses as much as digits as its factorization.

212207372229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70735790746.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 212207372229 in words is "two hundred twelve billion, two hundred seven million, three hundred seventy-two thousand, two hundred twenty-nine".