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1212022020201 = 31723765137651
BaseRepresentation
bin10001101000110010001…
…001000101100001101001
311021212102220021000100220
4101220302021011201221
5124324210114121301
62324443434120253
7153365015121426
oct21506211054151
94255386230326
101212022020201
11428019918883
12176a93880089
138a3a718c325
144293b038d4d
15217da35a936
hex11a32245869

1212022020201 has 8 divisors (see below), whose sum is σ = 1711089910944. Its totient is φ = 760484404800.

The previous prime is 1212022020193. The next prime is 1212022020227. The reversal of 1212022020201 is 1020202202121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212022020201 - 23 = 1212022020193 is a prime.

It is a super-2 number, since 2×12120220202012 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1212022020401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11882568775 + ... + 11882568876.

It is an arithmetic number, because the mean of its divisors is an integer number (213886238868).

Almost surely, 21212022020201 is an apocalyptic number.

It is an amenable number.

1212022020201 is a deficient number, since it is larger than the sum of its proper divisors (499067890743).

1212022020201 is a wasteful number, since it uses less digits than its factorization.

1212022020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23765137671.

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

Adding to 1212022020201 its reverse (1020202202121), we get a palindrome (2232224222322).

The spelling of 1212022020201 in words is "one trillion, two hundred twelve billion, twenty-two million, twenty thousand, two hundred one".

Divisors: 1 3 17 51 23765137651 71295412953 404007340067 1212022020201