213000122232 has 32 divisors (see below), whose sum is σ = 591667006800. Its totient is φ = 71000040672.

The previous prime is 213000122219. The next prime is 213000122233. The reversal of 213000122232 is 232221000312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213000122233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493055623 + ... + 493056054.

Almost surely, 2^213000122232 is an apocalyptic number.

It is an amenable number.

213000122232 is an abundant number, since it is smaller than the sum of its proper divisors (378666884568).

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

213000122232 is a wasteful number, since it uses less digits than its factorization.

213000122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986111692 (or 986111682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 213000122232 its reverse (232221000312), we get a palindrome (445221122544).

The spelling of 213000122232 in words is "two hundred thirteen billion, one hundred twenty-two thousand, two hundred thirty-two".