1020220001200 has 60 divisors (see below), whose sum is σ = 2456112037360. Its totient is φ = 407249959680.

The previous prime is 1020220001191. The next prime is 1020220001237. The reversal of 1020220001200 is 21000220201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2423835 + ... + 2813434.

Almost surely, 2^{1020220001200} is an apocalyptic number.

1020220001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020220001200 is an abundant number, since it is smaller than the sum of its proper divisors (1435892036160).

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

1020220001200 is a wasteful number, since it uses less digits than its factorization.

1020220001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237774 (or 5237763 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 1020220001200 its reverse (21000220201), we get a palindrome (1041220221401).

It can be divided in two parts, 1020220001 and 200, that added together give a palindrome (1020220201).

The spelling of 1020220001200 in words is "one trillion, twenty billion, two hundred twenty million, one thousand, two hundred".