1242400222300 has 72 divisors (see below), whose sum is σ = 2763340478640. Its totient is φ = 484695552000.

The previous prime is 1242400222267. The next prime is 1242400222307. The reversal of 1242400222300 is 32220042421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242400222307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241285 + ... + 1594684.

It is an arithmetic number, because the mean of its divisors is an integer number (38379728870).

Almost surely, 2^{1242400222300} is an apocalyptic number.

1242400222300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242400222300 is an abundant number, since it is smaller than the sum of its proper divisors (1520940256340).

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

1242400222300 is a wasteful number, since it uses less digits than its factorization.

1242400222300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836151 (or 1836144 counting only the distinct ones).

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

Adding to 1242400222300 its reverse (32220042421), we get a palindrome (1274620264721).

The spelling of 1242400222300 in words is "one trillion, two hundred forty-two billion, four hundred million, two hundred twenty-two thousand, three hundred".