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122212122120001 = 592071391900339
BaseRepresentation
bin11011110010011010111010…
…001000000100111101000001
3121000201100211220211001220101
4123302122322020010331001
5112004310411230320001
61111531250203042401
734512351213024034
oct3362327210047501
9530640756731811
10122212122120001
1135a38962967391
1211859640510401
135326727531884
14222715392b01b
15e1e03edeba01
hex6f26ba204f41

122212122120001 has 4 divisors (see below), whose sum is σ = 124283514020400. Its totient is φ = 120140730219604.

The previous prime is 122212122119999. The next prime is 122212122120013. The reversal of 122212122120001 is 100021221212221.

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 122212122120001 - 21 = 122212122119999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122212122120301) 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, 1035695950111 + ... + 1035695950228.

It is an arithmetic number, because the mean of its divisors is an integer number (31070878505100).

Almost surely, 2122212122120001 is an apocalyptic number.

It is an amenable number.

122212122120001 is a deficient number, since it is larger than the sum of its proper divisors (2071391900399).

122212122120001 is an equidigital number, since it uses as much as digits as its factorization.

122212122120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2071391900398.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122212122120001 its reverse (100021221212221), we get a palindrome (222233343332222).

The spelling of 122212122120001 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty thousand, one".

Divisors: 1 59 2071391900339 122212122120001