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1231301200001 = 17292497568357
BaseRepresentation
bin10001111010101111010…
…001010100100010000001
311100201012111102211012012
4101322233101110202001
5130133201101400001
62341352453542305
7154646535340625
oct21725721244201
94321174384165
101231301200001
11435212477a24
1217a774344995
138c15a418022
14438496c7185
1522067b902bb
hex11eaf454881

1231301200001 has 8 divisors (see below), whose sum is σ = 1348686913320. Its totient is φ = 1118910623488.

The previous prime is 1231301199983. The next prime is 1231301200039. The reversal of 1231301200001 is 1000021031321.

It can be written as a sum of positive squares in 4 ways, for example, as 180050856976 + 1051250343025 = 424324^2 + 1025305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1231301200001 - 230 = 1230227458177 is a prime.

It is a super-2 number, since 2×12313012000012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1231301200301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248783686 + ... + 1248784671.

It is an arithmetic number, because the mean of its divisors is an integer number (168585864165).

Almost surely, 21231301200001 is an apocalyptic number.

It is an amenable number.

1231301200001 is a deficient number, since it is larger than the sum of its proper divisors (117385713319).

1231301200001 is a wasteful number, since it uses less digits than its factorization.

1231301200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497568403.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1231301200001 its reverse (1000021031321), we get a palindrome (2231322231322).

The spelling of 1231301200001 in words is "one trillion, two hundred thirty-one billion, three hundred one million, two hundred thousand, one".

Divisors: 1 17 29 493 2497568357 42458662069 72429482353 1231301200001