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122013120425 = 527697217831
BaseRepresentation
bin111000110100010001…
…1000111011110101001
3102122221022012201120012
41301220203013132221
53444340324323200
6132015124341305
711546412261110
oct1615043073651
9378838181505
10122013120425
1147822253309
121b791b44835
13b6762a66a1
145c96858c77
153291aaaa35
hex1c688c77a9

122013120425 has 12 divisors (see below), whose sum is σ = 172910022336. Its totient is φ = 83666139600.

The previous prime is 122013120419. The next prime is 122013120431. The reversal of 122013120425 is 524021310221.

It is an interprime number because it is at equal distance from previous prime (122013120419) and next prime (122013120431).

It is a de Polignac number, because none of the positive numbers 2k-122013120425 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 122013120425.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348608741 + ... + 348609090.

It is an arithmetic number, because the mean of its divisors is an integer number (14409168528).

Almost surely, 2122013120425 is an apocalyptic number.

It is an amenable number.

122013120425 is a deficient number, since it is larger than the sum of its proper divisors (50896901911).

122013120425 is an equidigital number, since it uses as much as digits as its factorization.

122013120425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697217848 (or 697217843 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 122013120425 its reverse (524021310221), we get a palindrome (646034430646).

The spelling of 122013120425 in words is "one hundred twenty-two billion, thirteen million, one hundred twenty thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 175 697217831 3486089155 4880524817 17430445775 24402624085 122013120425