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1211210012023 = 11794913852057
BaseRepresentation
bin10001101000000001101…
…111100001010101110111
311021210100022022201112221
4101220001233201111313
5124321024230341043
62324231110023211
7153335625142564
oct21500157412567
94253308281487
101211210012023
11427742526040
121768a7947b07
138a2a7b9380b
14428a126586b
152178de108ed
hex11a01be1577

1211210012023 has 8 divisors (see below), whose sum is σ = 1321486333200. Its totient is φ = 1100961410880.

The previous prime is 1211210011997. The next prime is 1211210012027. The reversal of 1211210012023 is 3202100121121.

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

It is a cyclic number.

It is not a de Polignac number, because 1211210012023 - 29 = 1211210011511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1211210011988 and 1211210012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211210012027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6838590 + ... + 7013467.

It is an arithmetic number, because the mean of its divisors is an integer number (165185791650).

Almost surely, 21211210012023 is an apocalyptic number.

1211210012023 is a deficient number, since it is larger than the sum of its proper divisors (110276321177).

1211210012023 is a wasteful number, since it uses less digits than its factorization.

1211210012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13860017.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1211210012023 its reverse (3202100121121), we get a palindrome (4413310133144).

The spelling of 1211210012023 in words is "one trillion, two hundred eleven billion, two hundred ten million, twelve thousand, twenty-three".

Divisors: 1 11 7949 87439 13852057 152372627 110110001093 1211210012023