121213460344000 has 224 divisors, whose sum is σ = 309982989888000. Its totient is φ = 46904007168000.

The previous prime is 121213460343961. The next prime is 121213460344003. The reversal of 121213460344000 is 443064312121.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (121213460344003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 681663102 + ... + 681840898.

Almost surely, 2^{121213460344000} is an apocalyptic number.

121213460344000 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 121213460344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154991494944000).

121213460344000 is an abundant number, since it is smaller than the sum of its proper divisors (188769529544000).

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

121213460344000 is a wasteful number, since it uses less digits than its factorization.

121213460344000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180604 (or 180584 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 121213460344000 in words is "one hundred twenty-one trillion, two hundred thirteen billion, four hundred sixty million, three hundred forty-four thousand".