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1012222010001 = 31154592922313
BaseRepresentation
bin11101011101011010010…
…00100010001010010001
310120202201111021212022010
432232231020202022101
5113041012313310001
62053001450333133
7133062543060156
oct16565510421221
93522644255263
101012222010001
1136030aa32a04
1214421312a1a9
13745b5422917
1436dc573622d
151b4e473c8d6
hexebad222291

1012222010001 has 8 divisors (see below), whose sum is σ = 1349641497760. Its totient is φ = 674808597792.

The previous prime is 1012222009943. The next prime is 1012222010081. The reversal of 1012222010001 is 1000102222101.

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

It is not a de Polignac number, because 1012222010001 - 26 = 1012222009937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012222010081) 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, 1114780 + ... + 1807533.

It is an arithmetic number, because the mean of its divisors is an integer number (168705187220).

Almost surely, 21012222010001 is an apocalyptic number.

It is an amenable number.

1012222010001 is a deficient number, since it is larger than the sum of its proper divisors (337419487759).

1012222010001 is a wasteful number, since it uses less digits than its factorization.

1012222010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037775.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1012222010001 its reverse (1000102222101), we get a palindrome (2012324232102).

The spelling of 1012222010001 in words is "one trillion, twelve billion, two hundred twenty-two million, ten thousand, one".

Divisors: 1 3 115459 346377 2922313 8766939 337407336667 1012222010001