1010000121200 has 120 divisors (see below), whose sum is σ = 2800629691680. Its totient is φ = 342857088000.

The previous prime is 1010000121133. The next prime is 1010000121217. The reversal of 1010000121200 is 21210000101.

1010000121200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1502915 + ... + 2068514.

It is an arithmetic number, because the mean of its divisors is an integer number (23338580764).

Almost surely, 2^{1010000121200} is an apocalyptic number.

1010000121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010000121200 is an abundant number, since it is smaller than the sum of its proper divisors (1790629570480).

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

1010000121200 is a wasteful number, since it uses less digits than its factorization.

1010000121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571555 (or 3571544 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1010000121200 its reverse (21210000101), we get a palindrome (1031210121301).

The spelling of 1010000121200 in words is "one trillion, ten billion, one hundred twenty-one thousand, two hundred".