213140021132 has 12 divisors (see below), whose sum is σ = 373001547240. Its totient is φ = 106568150496.

The previous prime is 213140021069. The next prime is 213140021137. The reversal of 213140021132 is 231120041312.

It is a super-2 number, since 2×213140021132² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213140021137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188993 + ... + 679704.

It is an arithmetic number, because the mean of its divisors is an integer number (31083462270).

Almost surely, 2^213140021132 is an apocalyptic number.

It is an amenable number.

213140021132 is a deficient number, since it is larger than the sum of its proper divisors (159861526108).

213140021132 is a wasteful number, since it uses less digits than its factorization.

213140021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930040 (or 930038 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 213140021132 its reverse (231120041312), we get a palindrome (444260062444).

The spelling of 213140021132 in words is "two hundred thirteen billion, one hundred forty million, twenty-one thousand, one hundred thirty-two".