1230042420220 has 24 divisors (see below), whose sum is σ = 2585624050800. Its totient is φ = 491534116992.

The previous prime is 1230042420127. The next prime is 1230042420223. The reversal of 1230042420220 is 220242400321.

It is a junction number, because it is equal to n+sod(n) for n = 1230042420191 and 1230042420200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230042420223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30157305 + ... + 30198064.

It is an arithmetic number, because the mean of its divisors is an integer number (107734335450).

Almost surely, 2^{1230042420220} is an apocalyptic number.

1230042420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230042420220 is an abundant number, since it is smaller than the sum of its proper divisors (1355581630580).

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

1230042420220 is a wasteful number, since it uses less digits than its factorization.

1230042420220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60356397 (or 60356395 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 1230042420220 its reverse (220242400321), we get a palindrome (1450284820541).

The spelling of 1230042420220 in words is "one trillion, two hundred thirty billion, forty-two million, four hundred twenty thousand, two hundred twenty".