122072123734 has 16 divisors (see below), whose sum is σ = 199881916416. Its totient is φ = 55451903400.

The previous prime is 122072123731. The next prime is 122072123801. The reversal of 122072123734 is 437321270221.

It is a super-2 number, since 2×122072123734² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122072123734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122072123731) 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, 1736022 + ... + 1804969.

It is an arithmetic number, because the mean of its divisors is an integer number (12492619776).

Almost surely, 2^122072123734 is an apocalyptic number.

122072123734 is a deficient number, since it is larger than the sum of its proper divisors (77809792682).

122072123734 is a wasteful number, since it uses less digits than its factorization.

122072123734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3542571.

The product of its (nonzero) digits is 28224, while the sum is 34.

Adding to 122072123734 its reverse (437321270221), we get a palindrome (559393393955).

The spelling of 122072123734 in words is "one hundred twenty-two billion, seventy-two million, one hundred twenty-three thousand, seven hundred thirty-four".