1200408927552 has 168 divisors, whose sum is σ = 3666362320296. Its totient is φ = 374199681024.

The previous prime is 1200408927539. The next prime is 1200408927559. The reversal of 1200408927552 is 2557298040021.

1200408927552 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 4 + 0 + 8 + 92 + 7 + 552 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 455819420736 + 744589506816 = 675144^2 + 862896^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200408927498 and 1200408927507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200408927559) 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, 1146928 + ... + 1927760.

Almost surely, 2^{1200408927552} is an apocalyptic number.

1200408927552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200408927552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1833181160148).

1200408927552 is an abundant number, since it is smaller than the sum of its proper divisors (2465953392744).

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

1200408927552 is a wasteful number, since it uses less digits than its factorization.

1200408927552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781025 (or 781012 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 1200408927552 in words is "one trillion, two hundred billion, four hundred eight million, nine hundred twenty-seven thousand, five hundred fifty-two".