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1214520235412 = 221127602732623
BaseRepresentation
bin10001101011000111000…
…011000001010110010100
311022002220000002111101012
4101223013003001112110
5124344314140013122
62325535355351352
7153513641444621
oct21530703012624
94262800074335
101214520235412
11429091012950
12177470452558
138a6b4915293
1442ad6b43348
15218d48327e2
hex11ac70c1594

1214520235412 has 12 divisors (see below), whose sum is σ = 2318629540416. Its totient is φ = 552054652440.

The previous prime is 1214520235381. The next prime is 1214520235463. The reversal of 1214520235412 is 2145320254121.

It is a congruent number.

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, 13801366268 + ... + 13801366355.

It is an arithmetic number, because the mean of its divisors is an integer number (193219128368).

Almost surely, 21214520235412 is an apocalyptic number.

It is an amenable number.

1214520235412 is a deficient number, since it is larger than the sum of its proper divisors (1104109305004).

1214520235412 is a wasteful number, since it uses less digits than its factorization.

1214520235412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27602732638 (or 27602732636 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 1214520235412 its reverse (2145320254121), we get a palindrome (3359840489533).

The spelling of 1214520235412 in words is "one trillion, two hundred fourteen billion, five hundred twenty million, two hundred thirty-five thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 27602732623 55205465246 110410930492 303630058853 607260117706 1214520235412