213067621242 has 48 divisors (see below), whose sum is σ = 533952619200. Its totient is φ = 60143008896.

The previous prime is 213067621229. The next prime is 213067621259. The reversal of 213067621242 is 242126760312.

213067621242 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 6 + 7 + 621 + 24 + 2 = 666.

It is a super-2 number, since 2×213067621242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213067621197 and 213067621206.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10176367 + ... + 10197282.

It is an arithmetic number, because the mean of its divisors is an integer number (11124012900).

Almost surely, 2^213067621242 is an apocalyptic number.

213067621242 is an abundant number, since it is smaller than the sum of its proper divisors (320884997958).

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

213067621242 is a wasteful number, since it uses less digits than its factorization.

213067621242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20373747 (or 20373744 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 213067621242 in words is "two hundred thirteen billion, sixty-seven million, six hundred twenty-one thousand, two hundred forty-two".