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1222124211242 = 21155551100511
BaseRepresentation
bin10001110010001100010…
…001111000110000101010
311022211111221022111020122
4101302030101320300222
5130010402244224432
62333234111123242
7154203243252434
oct21621421706052
94284457274218
101222124211242
114313332904a0
12178a32b13522
138b3270a966c
144321899d654
1521bcc1a2612
hex11c8c478c2a

1222124211242 has 8 divisors (see below), whose sum is σ = 1999839618432. Its totient is φ = 555511005100.

The previous prime is 1222124211163. The next prime is 1222124211257. The reversal of 1222124211242 is 2421124212221.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27775550234 + ... + 27775550277.

It is an arithmetic number, because the mean of its divisors is an integer number (249979952304).

Almost surely, 21222124211242 is an apocalyptic number.

1222124211242 is a deficient number, since it is larger than the sum of its proper divisors (777715407190).

1222124211242 is a wasteful number, since it uses less digits than its factorization.

1222124211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55551100524.

The product of its digits is 2048, while the sum is 26.

Adding to 1222124211242 its reverse (2421124212221), we get a palindrome (3643248423463).

The spelling of 1222124211242 in words is "one trillion, two hundred twenty-two billion, one hundred twenty-four million, two hundred eleven thousand, two hundred forty-two".

Divisors: 1 2 11 22 55551100511 111102201022 611062105621 1222124211242