213112020023234 has 16 divisors (see below), whose sum is σ = 336493604462400. Its totient is φ = 100947516578064.

The previous prime is 213112020023159. The next prime is 213112020023311. The reversal of 213112020023234 is 432320020211312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6248219 + ... + 21569985.

It is an arithmetic number, because the mean of its divisors is an integer number (21030850278900).

Almost surely, 2^{213112020023234} is an apocalyptic number.

213112020023234 is a deficient number, since it is larger than the sum of its proper divisors (123381584439166).

213112020023234 is a wasteful number, since it uses less digits than its factorization.

213112020023234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15687817.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 213112020023234 its reverse (432320020211312), we get a palindrome (645432040234546).

The spelling of 213112020023234 in words is "two hundred thirteen trillion, one hundred twelve billion, twenty million, twenty-three thousand, two hundred thirty-four".