122144541200 has 60 divisors (see below), whose sum is σ = 320129749968. Its totient is φ = 44416195200.

The previous prime is 122144541179. The next prime is 122144541223. The reversal of 122144541200 is 2145441221.

It is a self number, because there is not a number n which added to its sum of digits gives 122144541200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13875662 + ... + 13884461.

Almost surely, 2^122144541200 is an apocalyptic number.

122144541200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122144541200 is an abundant number, since it is smaller than the sum of its proper divisors (197985208768).

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

122144541200 is a wasteful number, since it uses less digits than its factorization.

122144541200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27760152 (or 27760141 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 122144541200 its reverse (2145441221), we get a palindrome (124289982421).

The spelling of 122144541200 in words is "one hundred twenty-two billion, one hundred forty-four million, five hundred forty-one thousand, two hundred".