122151345555510 has 48 divisors (see below), whose sum is σ = 325339681343040. Its totient is φ = 31779211850880.

The previous prime is 122151345555443. The next prime is 122151345555521. The reversal of 122151345555510 is 15555543151221.

122151345555510 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 5 + 1 + 3 + 45 + 55 + 551 + 0 = 666.

It is a super-2 number, since 2×122151345555510² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16551669150 + ... + 16551676529.

It is an arithmetic number, because the mean of its divisors is an integer number (6777910027980).

Almost surely, 2^{122151345555510} is an apocalyptic number.

122151345555510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122151345555510 is an abundant number, since it is smaller than the sum of its proper divisors (203188335787530).

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

122151345555510 is a wasteful number, since it uses less digits than its factorization.

122151345555510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33103345733 (or 33103345730 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 45.

The spelling of 122151345555510 in words is "one hundred twenty-two trillion, one hundred fifty-one billion, three hundred forty-five million, five hundred fifty-five thousand, five hundred ten".