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13212301222031 = 433972175735573
BaseRepresentation
bin1100000001000011101010…
…0001010110000010001111
31201210002020222201001001212
43000100322201112002033
53212432243103101111
644033351500325035
72532362066251442
oct300207241260217
951702228631055
1013212301222031
11423433a66109a
121594770b4377b
1374abb76771a2
1433969bb35659
1517da37a2c98b
hexc043a85608f

13212301222031 has 16 divisors (see below), whose sum is σ = 13554622339104. Its totient is φ = 12871578513024.

The previous prime is 13212301221989. The next prime is 13212301222033. The reversal of 13212301222031 is 13022210321231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13212301222031 is a prime.

It is a super-2 number, since 2×132123012220312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13212301221988 and 13212301222006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212301222033) 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 15 ways as a sum of consecutive naturals, for example, 371395961 + ... + 371431533.

It is an arithmetic number, because the mean of its divisors is an integer number (847163896194).

Almost surely, 213212301222031 is an apocalyptic number.

13212301222031 is a deficient number, since it is larger than the sum of its proper divisors (342321117073).

13212301222031 is a wasteful number, since it uses less digits than its factorization.

13212301222031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57770.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 13212301222031 its reverse (13022210321231), we get a palindrome (26234511543262).

The spelling of 13212301222031 in words is "thirteen trillion, two hundred twelve billion, three hundred one million, two hundred twenty-two thousand, thirty-one".

Divisors: 1 43 397 17071 21757 35573 935551 1529639 8637529 14122481 371413747 607266683 773961761 33280355723 307262819117 13212301222031