213220241142 has 64 divisors (see below), whose sum is σ = 454304567808. Its totient is φ = 66481344000.

The previous prime is 213220241099. The next prime is 213220241173. The reversal of 213220241142 is 241142022312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43770967 + ... + 43775837.

It is an arithmetic number, because the mean of its divisors is an integer number (7098508872).

Almost surely, 2^213220241142 is an apocalyptic number.

213220241142 is an abundant number, since it is smaller than the sum of its proper divisors (241084326666).

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

213220241142 is a wasteful number, since it uses less digits than its factorization.

213220241142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7445.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 213220241142 its reverse (241142022312), we get a palindrome (454362263454).

The spelling of 213220241142 in words is "two hundred thirteen billion, two hundred twenty million, two hundred forty-one thousand, one hundred forty-two".