212023402042 has 16 divisors (see below), whose sum is σ = 347605731072. Its totient is φ = 96557146560.

The previous prime is 212023401959. The next prime is 212023402043. The reversal of 212023402042 is 240204320212.

212023402042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212023402043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100579308 + ... + 100581415.

It is an arithmetic number, because the mean of its divisors is an integer number (21725358192).

Almost surely, 2^212023402042 is an apocalyptic number.

212023402042 is a deficient number, since it is larger than the sum of its proper divisors (135582329030).

212023402042 is a wasteful number, since it uses less digits than its factorization.

212023402042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201160773.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 212023402042 its reverse (240204320212), we get a palindrome (452227722254).

The spelling of 212023402042 in words is "two hundred twelve billion, twenty-three million, four hundred two thousand, forty-two".