1012022120200 has 96 divisors (see below), whose sum is σ = 2895940272960. Its totient is φ = 320288313600.

The previous prime is 1012022120183. The next prime is 1012022120203. The reversal of 1012022120200 is 20212202101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1012022120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27784606 + ... + 27821005.

It is an arithmetic number, because the mean of its divisors is an integer number (30166044510).

Almost surely, 2^{1012022120200} is an apocalyptic number.

1012022120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012022120200 is an abundant number, since it is smaller than the sum of its proper divisors (1883918152760).

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

1012022120200 is a wasteful number, since it uses less digits than its factorization.

1012022120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605647 (or 55605638 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012022120200 its reverse (20212202101), we get a palindrome (1032234322301).

The spelling of 1012022120200 in words is "one trillion, twelve billion, twenty-two million, one hundred twenty thousand, two hundred".