212001233232 has 20 divisors (see below), whose sum is σ = 547669852640. Its totient is φ = 70667077728.

The previous prime is 212001233207. The next prime is 212001233251. The reversal of 212001233232 is 232332100212.

It is a happy number.

It is a super-2 number, since 2×212001233232² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212001233199 and 212001233208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208346132 + ... + 2208346227.

It is an arithmetic number, because the mean of its divisors is an integer number (27383492632).

Almost surely, 2^212001233232 is an apocalyptic number.

It is an amenable number.

212001233232 is an abundant number, since it is smaller than the sum of its proper divisors (335668619408).

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

212001233232 is a wasteful number, since it uses less digits than its factorization.

212001233232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416692370 (or 4416692364 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212001233232 its reverse (232332100212), we get a palindrome (444333333444).

The spelling of 212001233232 in words is "two hundred twelve billion, one million, two hundred thirty-three thousand, two hundred thirty-two".