121024201210000 has 675 divisors, whose sum is σ = 328943993354823. Its totient is φ = 43089108480000.

The previous prime is 121024201209959. The next prime is 121024201210039. The reversal of 121024201210000 is 12102420121.

The square root of 121024201210000 is 11001100.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 119049659136144 + 1974542073856 = 10910988^2 + 1405184^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 883388329932 + ... + 883388330068.

Almost surely, 2^{121024201210000} is an apocalyptic number.

121024201210000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121024201210000 is the 11001100-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121024201210000

121024201210000 is an abundant number, since it is smaller than the sum of its proper divisors (207919792144823).

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

121024201210000 is an frugal number, since it uses more digits than its factorization.

121024201210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

121024201210000 divided by its sum of digits (16) gives a square (7564012575625 = 2750275²).

Adding to 121024201210000 its reverse (12102420121), we get a palindrome (121036303630121).

121024201210000 divided by its reverse (12102420121) gives a 4-th power (10000 = 10⁴).

The spelling of 121024201210000 in words is "one hundred twenty-one trillion, twenty-four billion, two hundred one million, two hundred ten thousand".