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1322012202121 = 13261912637411
BaseRepresentation
bin10011001111001110000…
…100010101010010001001
311200101100022012011212101
4103033032010111102021
5133124440110431441
62451153553313401
7164340460210642
oct23171604252211
94611308164771
101322012202121
1146a731472476
1219426b265861
139788562c400
1447db2bc46c9
15245c6664231
hex133ce115489

1322012202121 has 12 divisors (see below), whose sum is σ = 1433840765520. Its totient is φ = 1218347423280.

The previous prime is 1322012202073. The next prime is 1322012202157. The reversal of 1322012202121 is 1212022102231.

It is not a de Polignac number, because 1322012202121 - 233 = 1313422267529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1322012202421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6214095 + ... + 6423316.

It is an arithmetic number, because the mean of its divisors is an integer number (119486730460).

Almost surely, 21322012202121 is an apocalyptic number.

It is an amenable number.

1322012202121 is a deficient number, since it is larger than the sum of its proper divisors (111828563399).

1322012202121 is a wasteful number, since it uses less digits than its factorization.

1322012202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638056 (or 12638043 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1322012202121 its reverse (1212022102231), we get a palindrome (2534034304352).

The spelling of 1322012202121 in words is "one trillion, three hundred twenty-two billion, twelve million, two hundred two thousand, one hundred twenty-one".

Divisors: 1 13 169 619 8047 104611 12637411 164286343 2135722459 7822557409 101693246317 1322012202121