121236705042000 has 160 divisors (see below), whose sum is σ = 390907166542464. Its totient is φ = 32326477056000.

The previous prime is 121236705041899. The next prime is 121236705042091. The reversal of 121236705042000 is 240507632121.

It is a congruent number.

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, 57836232 + ... + 59895768.

Almost surely, 2^{121236705042000} is an apocalyptic number.

121236705042000 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 121236705042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195453583271232).

121236705042000 is an abundant number, since it is smaller than the sum of its proper divisors (269670461500464).

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

121236705042000 is a wasteful number, since it uses less digits than its factorization.

121236705042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069374 (or 2069358 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 121236705042000 in words is "one hundred twenty-one trillion, two hundred thirty-six billion, seven hundred five million, forty-two thousand".