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1223011002133 = 29371139805221
BaseRepresentation
bin10001110011000001001…
…000101110011100010101
311022220210201222010122201
4101303001020232130111
5130014211304032013
62333502110124501
7154234231664554
oct21630110563425
94286721863581
101223011002133
11431748910628
1217903bab0731
138b438a298bb
14432a067bd9b
1521c2ee703dd
hex11cc122e715

1223011002133 has 8 divisors (see below), whose sum is σ = 1299377953080. Its totient is φ = 1148923661760.

The previous prime is 1223011002097. The next prime is 1223011002137. The reversal of 1223011002133 is 3312001103221.

It can be written as a sum of positive squares in 4 ways, for example, as 893285839044 + 329725163089 = 945138^2 + 574217^2 .

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 1223011002133 - 29 = 1223011001621 is a prime.

It is a super-2 number, since 2×12230110021332 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223011002133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223011002137) 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, 569901538 + ... + 569903683.

It is an arithmetic number, because the mean of its divisors is an integer number (162422244135).

Almost surely, 21223011002133 is an apocalyptic number.

It is an amenable number.

1223011002133 is a deficient number, since it is larger than the sum of its proper divisors (76366950947).

1223011002133 is a wasteful number, since it uses less digits than its factorization.

1223011002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139805287.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1223011002133 its reverse (3312001103221), we get a palindrome (4535012105354).

The spelling of 1223011002133 in words is "one trillion, two hundred twenty-three billion, eleven million, two thousand, one hundred thirty-three".

Divisors: 1 29 37 1073 1139805221 33054351409 42172793177 1223011002133