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12020220021201 = 371797347114269
BaseRepresentation
bin1010111011101010110011…
…1100011100100111010001
31120120010021210121121101120
42232322230330130213101
53033414402311134301
641322002435152453
72350301154241440
oct256725474344721
946503253547346
1012020220021201
113914823921027
121421723445729
1369266a841782
142d7ad31b8d57
1515ca1814ce36
hexaeeacf1c9d1

12020220021201 has 32 divisors (see below), whose sum is σ = 19593906312960. Its totient is φ = 6398010187776.

The previous prime is 12020220021181. The next prime is 12020220021221. The reversal of 12020220021201 is 10212002202021.

It is an interprime number because it is at equal distance from previous prime (12020220021181) and next prime (12020220021221).

It is not a de Polignac number, because 12020220021201 - 210 = 12020220020177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12020220021221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173522506 + ... + 173591763.

It is an arithmetic number, because the mean of its divisors is an integer number (612309572280).

Almost surely, 212020220021201 is an apocalyptic number.

It is an amenable number.

12020220021201 is a deficient number, since it is larger than the sum of its proper divisors (7573686291759).

12020220021201 is a wasteful number, since it uses less digits than its factorization.

12020220021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347114393.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12020220021201 its reverse (10212002202021), we get a palindrome (22232222223222).

The spelling of 12020220021201 in words is "twelve trillion, twenty billion, two hundred twenty million, twenty-one thousand, two hundred one".

Divisors: 1 3 7 17 21 51 97 119 291 357 679 1649 2037 4947 11543 34629 347114269 1041342807 2429799883 5900942573 7289399649 17702827719 33670084093 41306598011 101010252279 123919794033 235690588651 572391429581 707071765953 1717174288743 4006740007067 12020220021201