212201321229 has 12 divisors (see below), whose sum is σ = 322645284000. Its totient is φ = 134021886984.

The previous prime is 212201321219. The next prime is 212201321251. The reversal of 212201321229 is 922123102212.

212201321229 is a `hidden beast` number, since 212 + 201 + 3 + 21 + 229 = 666.

It is not a de Polignac number, because 212201321229 - 2⁵ = 212201321197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212201321219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620471529 + ... + 620471870.

It is an arithmetic number, because the mean of its divisors is an integer number (26887107000).

Almost surely, 2^212201321229 is an apocalyptic number.

It is an amenable number.

212201321229 is a deficient number, since it is larger than the sum of its proper divisors (110443962771).

212201321229 is a wasteful number, since it uses less digits than its factorization.

212201321229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240943424 (or 1240943421 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The spelling of 212201321229 in words is "two hundred twelve billion, two hundred one million, three hundred twenty-one thousand, two hundred twenty-nine".