1242011150400 has 168 divisors, whose sum is σ = 4251998551104. Its totient is φ = 316802816000.

The previous prime is 1242011150381. The next prime is 1242011150407. The reversal of 1242011150400 is 40511102421.

It is not an unprimeable number, because it can be changed into a prime (1242011150407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5514651 + ... + 5735450.

Almost surely, 2^{1242011150400} is an apocalyptic number.

1242011150400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1242011150400 is an abundant number, since it is smaller than the sum of its proper divisors (3009987400704).

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

1242011150400 is a wasteful number, since it uses less digits than its factorization.

1242011150400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250149 (or 11250134 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 1242011150400 its reverse (40511102421), we get a palindrome (1282522252821).

The spelling of 1242011150400 in words is "one trillion, two hundred forty-two billion, eleven million, one hundred fifty thousand, four hundred".