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121312022133 = 3291394391059
BaseRepresentation
bin111000011111011000…
…0101000111001110101
3102121010102222020111210
41300332300220321311
53441421334202013
6131421401352033
711523140113551
oct1607660507165
9377112866453
10121312022133
11474a2523835
121b617198619
13b593c71423
145c2b6b6861
15325026ccc3
hex1c3ec28e75

121312022133 has 8 divisors (see below), whose sum is σ = 167326927200. Its totient is φ = 78085899248.

The previous prime is 121312022129. The next prime is 121312022141. The reversal of 121312022133 is 331220213121.

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 121312022133 - 22 = 121312022129 is a prime.

It is a super-3 number, since 3×1213120221333 (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121312022173) 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, 697195443 + ... + 697195616.

It is an arithmetic number, because the mean of its divisors is an integer number (20915865900).

Almost surely, 2121312022133 is an apocalyptic number.

It is an amenable number.

121312022133 is a deficient number, since it is larger than the sum of its proper divisors (46014905067).

121312022133 is a wasteful number, since it uses less digits than its factorization.

121312022133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394391091.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 121312022133 its reverse (331220213121), we get a palindrome (452532235254).

The spelling of 121312022133 in words is "one hundred twenty-one billion, three hundred twelve million, twenty-two thousand, one hundred thirty-three".

Divisors: 1 3 29 87 1394391059 4183173177 40437340711 121312022133