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1212120222119 = 1840165872519
BaseRepresentation
bin10001101000110111111…
…111101100100110100111
311021212200202001012001222
4101220313333230212213
5124324410234101434
62324501303010555
7153400316614412
oct21506777544647
94255622035058
101212120222119
1142806a2a1394
12176b00739a5b
138a3c1623581
144294a0bcb79
15217e3ca772e
hex11a37fec9a7

1212120222119 has 4 divisors (see below), whose sum is σ = 1212186113040. Its totient is φ = 1212054331200.

The previous prime is 1212120222109. The next prime is 1212120222121. The reversal of 1212120222119 is 9112220212121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1212120222119 is a prime.

It is a super-2 number, since 2×12121202221192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1212120222109) 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, 32917859 + ... + 32954660.

It is an arithmetic number, because the mean of its divisors is an integer number (303046528260).

Almost surely, 21212120222119 is an apocalyptic number.

1212120222119 is a deficient number, since it is larger than the sum of its proper divisors (65890921).

1212120222119 is an equidigital number, since it uses as much as digits as its factorization.

1212120222119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65890920.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 1212120222119 in words is "one trillion, two hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, one hundred nineteen".

Divisors: 1 18401 65872519 1212120222119