10220001001200 has 120 divisors (see below), whose sum is σ = 36375633231600. Its totient is φ = 2725333597440.

The previous prime is 10220001001151. The next prime is 10220001001229. The reversal of 10220001001200 is 210010002201.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 473137395 + ... + 473158994.

It is an arithmetic number, because the mean of its divisors is an integer number (303130276930).

Almost surely, 2^{10220001001200} is an apocalyptic number.

10220001001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220001001200 is an abundant number, since it is smaller than the sum of its proper divisors (26155632230400).

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

10220001001200 is a wasteful number, since it uses less digits than its factorization.

10220001001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946296416 (or 946296399 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10220001001200 its reverse (210010002201), we get a palindrome (10430011003401).

The spelling of 10220001001200 in words is "ten trillion, two hundred twenty billion, one million, one thousand, two hundred".