121206086004000 has 192 divisors, whose sum is σ = 399264908095872. Its totient is φ = 32143049856000.

The previous prime is 121206086003983. The next prime is 121206086004019. The reversal of 121206086004000 is 400680602121.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 25729954 + ... + 30073953.

It is an arithmetic number, because the mean of its divisors is an integer number (2079504729666).

Almost surely, 2^{121206086004000} is an apocalyptic number.

121206086004000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121206086004000 is an abundant number, since it is smaller than the sum of its proper divisors (278058822091872).

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

121206086004000 is a wasteful number, since it uses less digits than its factorization.

121206086004000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55804116 (or 55804098 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 121206086004000 in words is "one hundred twenty-one trillion, two hundred six billion, eighty-six million, four thousand".