213123332121322 has 24 divisors (see below), whose sum is σ = 383874546867840. Its totient is φ = 88392165394680.

The previous prime is 213123332121281. The next prime is 213123332121347. The reversal of 213123332121322 is 223121233321312.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35076253072 + ... + 35076259147.

It is an arithmetic number, because the mean of its divisors is an integer number (15994772786160).

Almost surely, 2^{213123332121322} is an apocalyptic number.

213123332121322 is a deficient number, since it is larger than the sum of its proper divisors (170751214746518).

213123332121322 is a wasteful number, since it uses less digits than its factorization.

213123332121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70152512266 (or 70152512259 counting only the distinct ones).

The product of its digits is 15552, while the sum is 31.

Adding to 213123332121322 its reverse (223121233321312), we get a palindrome (436244565442634).

The spelling of 213123332121322 in words is "two hundred thirteen trillion, one hundred twenty-three billion, three hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-two".