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122020020122201 = 412976098051761
BaseRepresentation
bin11011101111100111111111…
…111101000111001001011001
3121000001000000000000110121222
4123233213333331013021121
5111443134000122402301
61111303120130341425
734462440564004355
oct3357477775071131
9530030000013558
10122020020122201
1135974444338133
1211828369a2a875
1353115915928a6
14221bb2c762465
15e1904a02631b
hex6ef9fff47259

122020020122201 has 4 divisors (see below), whose sum is σ = 124996118174004. Its totient is φ = 119043922070400.

The previous prime is 122020020122149. The next prime is 122020020122207. The reversal of 122020020122201 is 102221020020221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12829119314176 + 109190900808025 = 3581776^2 + 10449445^2 .

It is a de Polignac number, because none of the positive numbers 2k-122020020122201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122020020122201.

It is not an unprimeable number, because it can be changed into a prime (122020020122207) 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, 1488049025840 + ... + 1488049025921.

It is an arithmetic number, because the mean of its divisors is an integer number (31249029543501).

Almost surely, 2122020020122201 is an apocalyptic number.

It is an amenable number.

122020020122201 is a deficient number, since it is larger than the sum of its proper divisors (2976098051803).

122020020122201 is an equidigital number, since it uses as much as digits as its factorization.

122020020122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976098051802.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122020020122201 its reverse (102221020020221), we get a palindrome (224241040142422).

The spelling of 122020020122201 in words is "one hundred twenty-two trillion, twenty billion, twenty million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 41 2976098051761 122020020122201