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1213411115212 = 22303352778803
BaseRepresentation
bin10001101010000100111…
…100000100000011001100
311022000000201002100111021
4101222010330010003030
5124340031221141322
62325233335203524
7153444313205212
oct21520474040314
94260021070437
101213411115212
11428671a3948a
12177200b165a4
138a568bc033a
1442a2d70ccb2
152186c2994c7
hex11a84f040cc

1213411115212 has 6 divisors (see below), whose sum is σ = 2123469451628. Its totient is φ = 606705557604.

The previous prime is 1213411115167. The next prime is 1213411115219. The reversal of 1213411115212 is 2125111143121.

It is not an unprimeable number, because it can be changed into a prime (1213411115219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151676389398 + ... + 151676389405.

Almost surely, 21213411115212 is an apocalyptic number.

It is an amenable number.

1213411115212 is a deficient number, since it is larger than the sum of its proper divisors (910058336416).

1213411115212 is a wasteful number, since it uses less digits than its factorization.

1213411115212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303352778807 (or 303352778805 counting only the distinct ones).

The product of its digits is 480, while the sum is 25.

Adding to 1213411115212 its reverse (2125111143121), we get a palindrome (3338522258333).

The spelling of 1213411115212 in words is "one trillion, two hundred thirteen billion, four hundred eleven million, one hundred fifteen thousand, two hundred twelve".

Divisors: 1 2 4 303352778803 606705557606 1213411115212