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1222401254201 = 3073981763043
BaseRepresentation
bin10001110010011100110…
…010101110001100111001
311022212020020121201201222
4101302130302232030321
5130011434210113301
62333321405121425
7154213146136031
oct21623462561471
94285206551658
101222401254201
11431465704a16
12178aab859275
138b36c5ca0ca
14432436b88c1
1521be667931b
hex11c9ccae339

1222401254201 has 4 divisors (see below), whose sum is σ = 1226383017552. Its totient is φ = 1218419490852.

The previous prime is 1222401254177. The next prime is 1222401254219. The reversal of 1222401254201 is 1024521042221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1222401254201 - 226 = 1222334145337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222401254401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1990881215 + ... + 1990881828.

It is an arithmetic number, because the mean of its divisors is an integer number (306595754388).

Almost surely, 21222401254201 is an apocalyptic number.

It is an amenable number.

1222401254201 is a deficient number, since it is larger than the sum of its proper divisors (3981763351).

1222401254201 is an equidigital number, since it uses as much as digits as its factorization.

1222401254201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981763350.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1222401254201 its reverse (1024521042221), we get a palindrome (2246922296422).

The spelling of 1222401254201 in words is "one trillion, two hundred twenty-two billion, four hundred one million, two hundred fifty-four thousand, two hundred one".

Divisors: 1 307 3981763043 1222401254201