120200210021000 has 64 divisors (see below), whose sum is σ = 281348111519280. Its totient is φ = 48066473740800.

The previous prime is 120200210020997. The next prime is 120200210021057. The reversal of 120200210021000 is 120012002021.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 39596336523844 + 80603873497156 = 6292562^2 + 8977966^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13478069 + ... + 20544068.

Almost surely, 2^{120200210021000} is an apocalyptic number.

120200210021000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120200210021000 is an abundant number, since it is smaller than the sum of its proper divisors (161147901498280).

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

120200210021000 is a wasteful number, since it uses less digits than its factorization.

120200210021000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34025691 (or 34025677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120200210021000 its reverse (120012002021), we get a palindrome (120320222023021).

The spelling of 120200210021000 in words is "one hundred twenty trillion, two hundred billion, two hundred ten million, twenty-one thousand".