121926160512 has 192 divisors, whose sum is σ = 390034095360. Its totient is φ = 36305418240.

The previous prime is 121926160507. The next prime is 121926160529. The reversal of 121926160512 is 215061629121.

121926160512 is a `hidden beast` number, since 1 + 2 + 19 + 26 + 1 + 605 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 332943 + ... + 595569.

It is an arithmetic number, because the mean of its divisors is an integer number (2031427580).

Almost surely, 2^121926160512 is an apocalyptic number.

121926160512 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 121926160512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195017047680).

121926160512 is an abundant number, since it is smaller than the sum of its proper divisors (268107934848).

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

121926160512 is a wasteful number, since it uses less digits than its factorization.

121926160512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262691 (or 262676 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

Adding to 121926160512 its reverse (215061629121), we get a palindrome (336987789633).

The spelling of 121926160512 in words is "one hundred twenty-one billion, nine hundred twenty-six million, one hundred sixty thousand, five hundred twelve".