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1222012200001 = 19254392528261
BaseRepresentation
bin10001110010000101100…
…110100110010001000001
311022211020010112201201011
4101302011212212101001
5130010140110400001
62333215030240521
7154200413213155
oct21620546462101
94284203481634
101222012200001
1143128603581a
12178a014b6141
138b309b1ba18
1443207b63065
1521bc2428d51
hex11c859a6441

1222012200001 has 8 divisors (see below), whose sum is σ = 1286379705600. Its totient is φ = 1157649801840.

The previous prime is 1222012199897. The next prime is 1222012200049. The reversal of 1222012200001 is 1000022102221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1222012200001 - 29 = 1222012199489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222012200061) 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, 780790 + ... + 1747471.

It is an arithmetic number, because the mean of its divisors is an integer number (160797463200).

Almost surely, 21222012200001 is an apocalyptic number.

It is an amenable number.

1222012200001 is a deficient number, since it is larger than the sum of its proper divisors (64367505599).

1222012200001 is a wasteful number, since it uses less digits than its factorization.

1222012200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2553719.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222012200001 its reverse (1000022102221), we get a palindrome (2222034302222).

The spelling of 1222012200001 in words is "one trillion, two hundred twenty-two billion, twelve million, two hundred thousand, one".

Divisors: 1 19 25439 483341 2528261 48036959 64316431579 1222012200001