121401242344000 has 224 divisors, whose sum is σ = 312165251573760. Its totient is φ = 46712961792000.

The previous prime is 121401242343977. The next prime is 121401242344013. The reversal of 121401242344000 is 443242104121.

It is a super-2 number, since 2×121401242344000² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121401242344000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61906537 + ... + 63837463.

Almost surely, 2^{121401242344000} is an apocalyptic number.

121401242344000 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 121401242344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156082625786880).

121401242344000 is an abundant number, since it is smaller than the sum of its proper divisors (190764009229760).

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

121401242344000 is a wasteful number, since it uses less digits than its factorization.

121401242344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931254 (or 1931234 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 121401242344000 its reverse (443242104121), we get a palindrome (121844484448121).

The spelling of 121401242344000 in words is "one hundred twenty-one trillion, four hundred one billion, two hundred forty-two million, three hundred forty-four thousand".