1220432512300 has 18 divisors (see below), whose sum is σ = 2648338551908. Its totient is φ = 488173004880.

The previous prime is 1220432512291. The next prime is 1220432512309. The reversal of 1220432512300 is 32152340221.

It is an interprime number because it is at equal distance from previous prime (1220432512291) and next prime (1220432512309).

It is a super-3 number, since 3×1220432512300³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1220432512309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6102162462 + ... + 6102162661.

Almost surely, 2^{1220432512300} is an apocalyptic number.

1220432512300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220432512300 is an abundant number, since it is smaller than the sum of its proper divisors (1427906039608).

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

1220432512300 is a wasteful number, since it uses less digits than its factorization.

1220432512300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204325137 (or 12204325130 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1220432512300 its reverse (32152340221), we get a palindrome (1252584852521).

The spelling of 1220432512300 in words is "one trillion, two hundred twenty billion, four hundred thirty-two million, five hundred twelve thousand, three hundred".