1202222000100 has 144 divisors (see below), whose sum is σ = 3819781518336. Its totient is φ = 289517520000.

The previous prime is 1202222000099. The next prime is 1202222000107. The reversal of 1202222000100 is 10002222021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1202222000107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 708024 + ... + 1704623.

It is an arithmetic number, because the mean of its divisors is an integer number (26526260544).

Almost surely, 2^{1202222000100} is an apocalyptic number.

1202222000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202222000100 is an abundant number, since it is smaller than the sum of its proper divisors (2617559518236).

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

1202222000100 is a wasteful number, since it uses less digits than its factorization.

1202222000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412826 (or 2412819 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1202222000100 its reverse (10002222021), we get a palindrome (1212224222121).

The spelling of 1202222000100 in words is "one trillion, two hundred two billion, two hundred twenty-two million, one hundred", and thus it is an aban number.