1230020022100 has 36 divisors (see below), whose sum is σ = 2809624686400. Its totient is φ = 466112849760.

The previous prime is 1230020022089. The next prime is 1230020022103. The reversal of 1230020022100 is 12200200321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230020022103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 323687580 + ... + 323691379.

Almost surely, 2^{1230020022100} is an apocalyptic number.

1230020022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230020022100 is an abundant number, since it is smaller than the sum of its proper divisors (1579604664300).

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

1230020022100 is a wasteful number, since it uses less digits than its factorization.

1230020022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647378992 (or 647378985 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1230020022100 its reverse (12200200321), we get a palindrome (1242220222421).

The spelling of 1230020022100 in words is "one trillion, two hundred thirty billion, twenty million, twenty-two thousand, one hundred".