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1201311232032 = 253374110777093
BaseRepresentation
bin10001011110110011101…
…110101011000000100000
311020211210110000121011210
4101132303232223000200
5124140241133411112
62315512540510120
7152535416663652
oct21366356530040
94224713017153
101201311232032
1142352296612a
121749a484b340
138938b156252
14422027306d2
15213aed98b3c
hex117b3bab020

1201311232032 has 192 divisors, whose sum is σ = 3348711725184. Its totient is φ = 376554332160.

The previous prime is 1201311232021. The next prime is 1201311232039. The reversal of 1201311232032 is 2302321131021.

It is not an unprimeable number, because it can be changed into a prime (1201311232039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15544078 + ... + 15621170.

It is an arithmetic number, because the mean of its divisors is an integer number (17441206902).

Almost surely, 21201311232032 is an apocalyptic number.

1201311232032 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 1201311232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1674355862592).

1201311232032 is an abundant number, since it is smaller than the sum of its proper divisors (2147400493152).

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

1201311232032 is a wasteful number, since it uses less digits than its factorization.

1201311232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77291 (or 77283 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1201311232032 its reverse (2302321131021), we get a palindrome (3503632363053).

The spelling of 1201311232032 in words is "one trillion, two hundred one billion, three hundred eleven million, two hundred thirty-two thousand, thirty-two".