121190451173472 has 96 divisors (see below), whose sum is σ = 322285498375680. Its totient is φ = 39868915806720.

The previous prime is 121190451173461. The next prime is 121190451173479. The reversal of 121190451173472 is 274371154091121.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121190451173479) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 14971098 + ... + 21598950.

It is an arithmetic number, because the mean of its divisors is an integer number (3357140608080).

Almost surely, 2^{121190451173472} is an apocalyptic number.

121190451173472 is a gapful number since it is divisible by the number (12) 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 121190451173472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161142749187840).

121190451173472 is an abundant number, since it is smaller than the sum of its proper divisors (201095047202208).

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

121190451173472 is a wasteful number, since it uses less digits than its factorization.

121190451173472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630356 (or 6630348 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 121190451173472 in words is "one hundred twenty-one trillion, one hundred ninety billion, four hundred fifty-one million, one hundred seventy-three thousand, four hundred seventy-two".