213340400013124 has 96 divisors (see below), whose sum is σ = 408913773649920. Its totient is φ = 97097176915200.

The previous prime is 213340400013121. The next prime is 213340400013137. The reversal of 213340400013124 is 421310004043312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213340400013092 and 213340400013101.

It is not an unprimeable number, because it can be changed into a prime (213340400013121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118972909 + ... + 120752779.

It is an arithmetic number, because the mean of its divisors is an integer number (4259518475520).

Almost surely, 2^{213340400013124} is an apocalyptic number.

It is an amenable number.

213340400013124 is a deficient number, since it is larger than the sum of its proper divisors (195573373636796).

213340400013124 is a wasteful number, since it uses less digits than its factorization.

213340400013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780721 (or 1780719 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 213340400013124 its reverse (421310004043312), we get a palindrome (634650404056436).

The spelling of 213340400013124 in words is "two hundred thirteen trillion, three hundred forty billion, four hundred million, thirteen thousand, one hundred twenty-four".