340220121012222 has 32 divisors (see below), whose sum is σ = 781366785102720. Its totient is φ = 97670848137120.

The previous prime is 340220121012139. The next prime is 340220121012283. The reversal of 340220121012222 is 222210121022043.

It is a junction number, because it is equal to n+sod(n) for n = 340220121012192 and 340220121012201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135653954493 + ... + 135653957000.

It is an arithmetic number, because the mean of its divisors is an integer number (24417712034460).

Almost surely, 2^{340220121012222} is an apocalyptic number.

340220121012222 is an abundant number, since it is smaller than the sum of its proper divisors (441146664090498).

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

340220121012222 is a wasteful number, since it uses less digits than its factorization.

340220121012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271307911528.

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

Adding to 340220121012222 its reverse (222210121022043), we get a palindrome (562430242034265).

The spelling of 340220121012222 in words is "three hundred forty trillion, two hundred twenty billion, one hundred twenty-one million, twelve thousand, two hundred twenty-two".