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122132323201021 = 717447474743003
BaseRepresentation
bin11011110001010000100101…
…101111010110111111111101
3121000102201212121001222012121
4123301100211233112333331
5112002003444214413041
61111430451551202541
734503524552301340
oct3361204557267775
9530381777058177
10122132323201021
1135a08033511471
121184608bb16451
13531c04ac72113
142223343776457
15e1be1e3ec7d1
hex6f1425bd6ffd

122132323201021 has 4 divisors (see below), whose sum is σ = 139579797944032. Its totient is φ = 104684848458012.

The previous prime is 122132323200959. The next prime is 122132323201033. The reversal of 122132323201021 is 120102323231221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122132323201021 - 219 = 122132322676733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122132323201121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8723737371495 + ... + 8723737371508.

It is an arithmetic number, because the mean of its divisors is an integer number (34894949486008).

Almost surely, 2122132323201021 is an apocalyptic number.

It is an amenable number.

122132323201021 is a deficient number, since it is larger than the sum of its proper divisors (17447474743011).

122132323201021 is an equidigital number, since it uses as much as digits as its factorization.

122132323201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17447474743010.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 122132323201021 its reverse (120102323231221), we get a palindrome (242234646432242).

The spelling of 122132323201021 in words is "one hundred twenty-two trillion, one hundred thirty-two billion, three hundred twenty-three million, two hundred one thousand, twenty-one".

Divisors: 1 7 17447474743003 122132323201021