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1220210112301 = 2947895238527
BaseRepresentation
bin10001110000011010001…
…100001011011100101101
311022122120112121012010021
4101300122030023130231
5124442442242043201
62332320133242141
7154104641552155
oct21603214133455
94278515535107
101220210112301
11430540885644
12178599a93351
138b0b067a63b
14430b66a5765
1521b1910bea1
hex11c1a30b72d

1220210112301 has 8 divisors (see below), whose sum is σ = 1289143480320. Its totient is φ = 1153067221488.

The previous prime is 1220210112287. The next prime is 1220210112307. The reversal of 1220210112301 is 1032110120221.

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

It is not a de Polignac number, because 1220210112301 - 223 = 1220201723693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220210112307) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 447617901 + ... + 447620626.

It is an arithmetic number, because the mean of its divisors is an integer number (161142935040).

Almost surely, 21220210112301 is an apocalyptic number.

It is an amenable number.

1220210112301 is a deficient number, since it is larger than the sum of its proper divisors (68933368019).

1220210112301 is an equidigital number, since it uses as much as digits as its factorization.

1220210112301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895238603.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220210112301 its reverse (1032110120221), we get a palindrome (2252320232522).

The spelling of 1220210112301 in words is "one trillion, two hundred twenty billion, two hundred ten million, one hundred twelve thousand, three hundred one".

Divisors: 1 29 47 1363 895238527 25961917283 42076210769 1220210112301