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1222142504407 = 11111103864037
BaseRepresentation
bin10001110010001101010…
…111101010110111010111
311022211120012201212202021
4101302031113222313113
5130010421440120112
62333240003154011
7154203554612326
oct21621527526727
94284505655667
101222142504407
11431342645410
12178a39075907
138b32ab12c16
144321b1a20bd
1521bcdab7907
hex11c8d5eadd7

1222142504407 has 4 divisors (see below), whose sum is σ = 1333246368456. Its totient is φ = 1111038640360.

The previous prime is 1222142504381. The next prime is 1222142504419. The reversal of 1222142504407 is 7044052412221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1222142504407 - 235 = 1187782766039 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 (1222142504477) 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, 55551932008 + ... + 55551932029.

It is an arithmetic number, because the mean of its divisors is an integer number (333311592114).

Almost surely, 21222142504407 is an apocalyptic number.

1222142504407 is a deficient number, since it is larger than the sum of its proper divisors (111103864049).

1222142504407 is a wasteful number, since it uses less digits than its factorization.

1222142504407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111103864048.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 1222142504407 its reverse (7044052412221), we get a palindrome (8266194916628).

The spelling of 1222142504407 in words is "one trillion, two hundred twenty-two billion, one hundred forty-two million, five hundred four thousand, four hundred seven".

Divisors: 1 11 111103864037 1222142504407