1200046249728 has 54 divisors (see below), whose sum is σ = 3460029189344. Its totient is φ = 400015415808.

The previous prime is 1200046249697. The next prime is 1200046249741. The reversal of 1200046249728 is 8279426400021.

1200046249728 is a `hidden beast` number, since 12 + 0 + 0 + 0 + 4 + 624 + 9 + 7 + 2 + 8 = 666.

It is a super-2 number, since 2×1200046249728² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 260424400 + ... + 260429007.

Almost surely, 2^{1200046249728} is an apocalyptic number.

1200046249728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1200046249728 is an abundant number, since it is smaller than the sum of its proper divisors (2259982939616).

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

1200046249728 is an equidigital number, since it uses as much as digits as its factorization.

1200046249728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520853429 (or 520853412 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 1200046249728 in words is "one trillion, two hundred billion, forty-six million, two hundred forty-nine thousand, seven hundred twenty-eight".