212423313020 has 24 divisors (see below), whose sum is σ = 447866214768. Its totient is φ = 84630800000.

The previous prime is 212423313007. The next prime is 212423313029. The reversal of 212423313020 is 20313324212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212423313029) 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, 21152681 + ... + 21162720.

It is an arithmetic number, because the mean of its divisors is an integer number (18661092282).

Almost surely, 2^212423313020 is an apocalyptic number.

212423313020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212423313020 is an abundant number, since it is smaller than the sum of its proper divisors (235442901748).

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

212423313020 is a wasteful number, since it uses less digits than its factorization.

212423313020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42315661 (or 42315659 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 212423313020 its reverse (20313324212), we get a palindrome (232736637232).

The spelling of 212423313020 in words is "two hundred twelve billion, four hundred twenty-three million, three hundred thirteen thousand, twenty".