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12132413244431 = 67181080794693
BaseRepresentation
bin1011000010001100110000…
…1011101000010000001111
31120221211212201221212102122
42300203030023220100033
53042234140242310211
641445315333243155
72361352340014634
oct260431413502017
946854781855378
1012132413244431
113958366a92217
12143b4147934bb
136a010a5395ac
142dd2d779418b
151608d2a746db
hexb08cc2e840f

12132413244431 has 4 divisors (see below), whose sum is σ = 12313494039192. Its totient is φ = 11951332449672.

The previous prime is 12132413244409. The next prime is 12132413244493. The reversal of 12132413244431 is 13444231423121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12132413244431 - 210 = 12132413243407 is a prime.

It is a super-2 number, since 2×121324132444312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12132413244391 and 12132413244400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132413246431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90540397280 + ... + 90540397413.

It is an arithmetic number, because the mean of its divisors is an integer number (3078373509798).

Almost surely, 212132413244431 is an apocalyptic number.

12132413244431 is a deficient number, since it is larger than the sum of its proper divisors (181080794761).

12132413244431 is an equidigital number, since it uses as much as digits as its factorization.

12132413244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181080794760.

The product of its digits is 55296, while the sum is 35.

Adding to 12132413244431 its reverse (13444231423121), we get a palindrome (25576644667552).

The spelling of 12132413244431 in words is "twelve trillion, one hundred thirty-two billion, four hundred thirteen million, two hundred forty-four thousand, four hundred thirty-one".

Divisors: 1 67 181080794693 12132413244431