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1212442001234 = 21561273882871
BaseRepresentation
bin10001101001001011001…
…011001011111101010010
311021220112011112021000222
4101221023023023331102
5124331040123014414
62324553235513042
7153411304653062
oct21511313137522
94256464467028
101212442001234
114282149a0842
12176b90458782
138a4431a8509
144297ab213a2
152181216968e
hex11a4b2cbf52

1212442001234 has 8 divisors (see below), whose sum is σ = 1818675118848. Its totient is φ = 606216961620.

The previous prime is 1212442001219. The next prime is 1212442001261. The reversal of 1212442001234 is 4321002442121.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1629182 + ... + 2253689.

It is an arithmetic number, because the mean of its divisors is an integer number (227334389856).

Almost surely, 21212442001234 is an apocalyptic number.

1212442001234 is a deficient number, since it is larger than the sum of its proper divisors (606233117614).

1212442001234 is a wasteful number, since it uses less digits than its factorization.

1212442001234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039000.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1212442001234 its reverse (4321002442121), we get a palindrome (5533444443355).

The spelling of 1212442001234 in words is "one trillion, two hundred twelve billion, four hundred forty-two million, one thousand, two hundred thirty-four".

Divisors: 1 2 156127 312254 3882871 7765742 606221000617 1212442001234