124121120000 has 90 divisors (see below), whose sum is σ = 309598035978. Its totient is φ = 49648384000.

The previous prime is 124121119921. The next prime is 124121120017. The reversal of 124121120000 is 21121421.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 19528385536 + 104592734464 = 139744^2 + 323408^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 227879 + ... + 547878.

Almost surely, 2^124121120000 is an apocalyptic number.

124121120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124121120000 is an abundant number, since it is smaller than the sum of its proper divisors (185476915978).

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

124121120000 is an frugal number, since it uses more digits than its factorization.

124121120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775793 (or 775764 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 124121120000 its reverse (21121421), we get a palindrome (124142241421).

The spelling of 124121120000 in words is "one hundred twenty-four billion, one hundred twenty-one million, one hundred twenty thousand".