121752140410 has 32 divisors (see below), whose sum is σ = 232729796160. Its totient is φ = 45729347328.

The previous prime is 121752140371. The next prime is 121752140413. The reversal of 121752140410 is 14041257121.

It is not an unprimeable number, because it can be changed into a prime (121752140413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2813932 + ... + 2856871.

It is an arithmetic number, because the mean of its divisors is an integer number (7272806130).

Almost surely, 2^121752140410 is an apocalyptic number.

121752140410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121752140410 is a deficient number, since it is larger than the sum of its proper divisors (110977655750).

121752140410 is a wasteful number, since it uses less digits than its factorization.

121752140410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5670942.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 121752140410 its reverse (14041257121), we get a palindrome (135793397531).

The spelling of 121752140410 in words is "one hundred twenty-one billion, seven hundred fifty-two million, one hundred forty thousand, four hundred ten".