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1211232023113 = 7179966665621
BaseRepresentation
bin10001101000000011000…
…011011111001001001001
311021210101211202000002111
4101220003003133021021
5124321100344214423
62324233213502321
7153336313216060
oct21500303371111
94253354660074
101211232023113
1142775399a322
121768b31a19a1
138a2ac5cc428
14428a41551d7
1521790d0c60d
hex11a030df249

1211232023113 has 8 divisors (see below), whose sum is σ = 1391998495680. Its totient is φ = 1032398882160.

The previous prime is 1211232023107. The next prime is 1211232023117. The reversal of 1211232023113 is 3113202321121.

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 1211232023113 - 213 = 1211232014921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211232023117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483331558 + ... + 483334063.

It is an arithmetic number, because the mean of its divisors is an integer number (173999811960).

Almost surely, 21211232023113 is an apocalyptic number.

It is an amenable number.

1211232023113 is a deficient number, since it is larger than the sum of its proper divisors (180766472567).

1211232023113 is an equidigital number, since it uses as much as digits as its factorization.

1211232023113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966665807.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1211232023113 its reverse (3113202321121), we get a palindrome (4324434344234).

The spelling of 1211232023113 in words is "one trillion, two hundred eleven billion, two hundred thirty-two million, twenty-three thousand, one hundred thirteen".

Divisors: 1 7 179 1253 966665621 6766659347 173033146159 1211232023113