213000240012 has 48 divisors (see below), whose sum is σ = 597895415040. Its totient is φ = 57654199872.

The previous prime is 213000239989. The next prime is 213000240041. The reversal of 213000240012 is 210042000312.

It is a junction number, because it is equal to n+sod(n) for n = 213000239973 and 213000240000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66727803 + ... + 66730994.

It is an arithmetic number, because the mean of its divisors is an integer number (12456154480).

Almost surely, 2^213000240012 is an apocalyptic number.

It is an amenable number.

213000240012 is an abundant number, since it is smaller than the sum of its proper divisors (384895175028).

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

213000240012 is a wasteful number, since it uses less digits than its factorization.

213000240012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133458830 (or 133458828 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 213000240012 its reverse (210042000312), we get a palindrome (423042240324).

The spelling of 213000240012 in words is "two hundred thirteen billion, two hundred forty thousand, twelve".