121210210012000 has 48 divisors (see below), whose sum is σ = 297813486009312. Its totient is φ = 48484084003200.

The previous prime is 121210210011959. The next prime is 121210210012007. The reversal of 121210210012000 is 210012012121.

It is a super-2 number, since 2×121210210012000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210210012007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15151272252 + ... + 15151280251.

It is an arithmetic number, because the mean of its divisors is an integer number (6204447625194).

Almost surely, 2^{121210210012000} is an apocalyptic number.

121210210012000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121210210012000 is an abundant number, since it is smaller than the sum of its proper divisors (176603275997312).

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

121210210012000 is an equidigital number, since it uses as much as digits as its factorization.

121210210012000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30302552528 (or 30302552510 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121210210012000 its reverse (210012012121), we get a palindrome (121420222024121).

The spelling of 121210210012000 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred ten million, twelve thousand".