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2212221431201 = 2396183540487
BaseRepresentation
bin100000001100010010101…
…011000010110110100001
321211111010111220120022112
4200030102223002312201
5242221112141244301
64412140330445105
7315553623622565
oct40142253026641
97744114816275
102212221431201
1178321a364151
122b88b0593795
131307c4867032
1479101b4d6a5
153c8293619bb
hex20312ac2da1

2212221431201 has 4 divisors (see below), whose sum is σ = 2308404971712. Its totient is φ = 2116037890692.

The previous prime is 2212221431143. The next prime is 2212221431209. The reversal of 2212221431201 is 1021341222122.

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 2212221431201 - 234 = 2195041562017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 96183540487 = 2212221431201 / (2 + 2 + 1 + 2 + 2 + 2 + 1 + 4 + 3 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212221431209) 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, 48091770221 + ... + 48091770266.

It is an arithmetic number, because the mean of its divisors is an integer number (577101242928).

Almost surely, 22212221431201 is an apocalyptic number.

It is an amenable number.

2212221431201 is a deficient number, since it is larger than the sum of its proper divisors (96183540511).

2212221431201 is an equidigital number, since it uses as much as digits as its factorization.

2212221431201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96183540510.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2212221431201 its reverse (1021341222122), we get a palindrome (3233562653323).

The spelling of 2212221431201 in words is "two trillion, two hundred twelve billion, two hundred twenty-one million, four hundred thirty-one thousand, two hundred one".

Divisors: 1 23 96183540487 2212221431201