122055215534 has 48 divisors (see below), whose sum is σ = 215622099792. Its totient is φ = 51662846592.

The previous prime is 122055215531. The next prime is 122055215549. The reversal of 122055215534 is 435512550221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 122055215494 and 122055215503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122055215531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2621849 + ... + 2667995.

It is an arithmetic number, because the mean of its divisors is an integer number (4492127079).

Almost surely, 2^122055215534 is an apocalyptic number.

122055215534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122055215534 is a deficient number, since it is larger than the sum of its proper divisors (93566884258).

122055215534 is a wasteful number, since it uses less digits than its factorization.

122055215534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46497 (or 46490 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 122055215534 its reverse (435512550221), we get a palindrome (557567765755).

The spelling of 122055215534 in words is "one hundred twenty-two billion, fifty-five million, two hundred fifteen thousand, five hundred thirty-four".