121452310043400 has 96 divisors (see below), whose sum is σ = 430288184168640. Its totient is φ = 27760528008960.

The previous prime is 121452310043399. The next prime is 121452310043483. The reversal of 121452310043400 is 4340013254121.

It is a super-2 number, since 2×121452310043400² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 14458604139 + ... + 14458612538.

It is an arithmetic number, because the mean of its divisors is an integer number (4482168585090).

Almost surely, 2^{121452310043400} is an apocalyptic number.

121452310043400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121452310043400 is an abundant number, since it is smaller than the sum of its proper divisors (308835874125240).

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

121452310043400 is a wasteful number, since it uses less digits than its factorization.

121452310043400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28917216703 (or 28917216694 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 121452310043400 its reverse (4340013254121), we get a palindrome (125792323297521).

The spelling of 121452310043400 in words is "one hundred twenty-one trillion, four hundred fifty-two billion, three hundred ten million, forty-three thousand, four hundred".