122542310000 has 200 divisors, whose sum is σ = 324391761408. Its totient is φ = 44460000000.

The previous prime is 122542309991. The next prime is 122542310017. The reversal of 122542310000 is 13245221.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×122542310000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62809025 + ... + 62810975.

Almost surely, 2^122542310000 is an apocalyptic number.

122542310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122542310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162195880704).

122542310000 is an abundant number, since it is smaller than the sum of its proper divisors (201849451408).

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

122542310000 is a wasteful number, since it uses less digits than its factorization.

122542310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2561 (or 2540 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 122542310000 its reverse (13245221), we get a palindrome (122555555221).

The spelling of 122542310000 in words is "one hundred twenty-two billion, five hundred forty-two million, three hundred ten thousand".