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122992641251 is a prime number
BaseRepresentation
bin111001010001011101…
…1101100010011100011
3102202110120100112112022
41302202323230103203
54003342104010001
6132300235052055
711612605126004
oct1624273542343
9382416315468
10122992641251
1148185159857
121ba05ba102b
13b7a11c32cc
145d4a9951ab
1532eca9411b
hex1ca2eec4e3

122992641251 has 2 divisors, whose sum is σ = 122992641252. Its totient is φ = 122992641250.

The previous prime is 122992641209. The next prime is 122992641287. The reversal of 122992641251 is 152146299221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122992641251 - 234 = 105812772067 is a prime.

It is not a weakly prime, because it can be changed into another prime (122992641851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61496320625 + 61496320626.

It is an arithmetic number, because the mean of its divisors is an integer number (61496320626).

Almost surely, 2122992641251 is an apocalyptic number.

122992641251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122992641251 is an equidigital number, since it uses as much as digits as its factorization.

122992641251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 44.

The spelling of 122992641251 in words is "one hundred twenty-two billion, nine hundred ninety-two million, six hundred forty-one thousand, two hundred fifty-one".