1242250233400 has 48 divisors (see below), whose sum is σ = 3150798324840. Its totient is φ = 451727356800.

The previous prime is 1242250233391. The next prime is 1242250233437. The reversal of 1242250233400 is 43320522421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282327399 + ... + 282331798.

Almost surely, 2^{1242250233400} is an apocalyptic number.

1242250233400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242250233400 is an abundant number, since it is smaller than the sum of its proper divisors (1908548091440).

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

1242250233400 is a wasteful number, since it uses less digits than its factorization.

1242250233400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564659224 (or 564659215 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 1242250233400 its reverse (43320522421), we get a palindrome (1285570755821).

The spelling of 1242250233400 in words is "one trillion, two hundred forty-two billion, two hundred fifty million, two hundred thirty-three thousand, four hundred".