1201332312000 has 168 divisors, whose sum is σ = 4297366159632. Its totient is φ = 320355264000.

The previous prime is 1201332311987. The next prime is 1201332312029. The reversal of 1201332312000 is 2132331021.

1201332312000 is a `hidden beast` number, since 1 + 20 + 1 + 332 + 312 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8270586 + ... + 8414585.

It is an arithmetic number, because the mean of its divisors is an integer number (25579560474).

Almost surely, 2^{1201332312000} is an apocalyptic number.

1201332312000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201332312000 is an abundant number, since it is smaller than the sum of its proper divisors (3096033847632).

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

1201332312000 is a wasteful number, since it uses less digits than its factorization.

1201332312000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685204 (or 16685181 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1201332312000 its reverse (2132331021), we get a palindrome (1203464643021).

The spelling of 1201332312000 in words is "one trillion, two hundred one billion, three hundred thirty-two million, three hundred twelve thousand".