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12203023331 = 137269331127
BaseRepresentation
bin10110101110101101…
…10101101111100011
31011111110010211000002
423113112311233203
5144442433221311
65334521050215
7611254662332
oct132726655743
934443124002
1012203023331
1151a231a054
12244692696b
1311c6239c85
1483a989d19
154b64c593b
hex2d75b5be3

12203023331 has 8 divisors (see below), whose sum is σ = 12337829280. Its totient is φ = 12068880448.

The previous prime is 12203023307. The next prime is 12203023411. The reversal of 12203023331 is 13332030221.

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 12203023331 - 218 = 12202761187 is a prime.

It is a super-2 number, since 2×122030233312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12203029331) 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, 128711 + ... + 202416.

It is an arithmetic number, because the mean of its divisors is an integer number (1542228660).

Almost surely, 212203023331 is an apocalyptic number.

12203023331 is a deficient number, since it is larger than the sum of its proper divisors (134805949).

12203023331 is a wasteful number, since it uses less digits than its factorization.

12203023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331533.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12203023331 its reverse (13332030221), we get a palindrome (25535053552).

The spelling of 12203023331 in words is "twelve billion, two hundred three million, twenty-three thousand, three hundred thirty-one".

Divisors: 1 137 269 36853 331127 45364399 89073163 12203023331