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1201442211331 = 27712739340477
BaseRepresentation
bin10001011110111011100…
…010010100011000000011
311020212010120111000222221
4101132323202110120003
5124141023201230311
62315533540111511
7152541600203545
oct21367342243003
94225116430887
101201442211331
1142358a89688a
12174a20695597
13893ac3256ab
1442215ca7695
15213bb61c671
hex117bb894603

1201442211331 has 8 divisors (see below), whose sum is σ = 1205877742160. Its totient is φ = 1197007387488.

The previous prime is 1201442211323. The next prime is 1201442211341. The reversal of 1201442211331 is 1331122441021.

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 1201442211331 - 23 = 1201442211323 is a prime.

It is a super-2 number, since 2×12014422113312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201442211296 and 1201442211305.

It is not an unprimeable number, because it can be changed into a prime (1201442211311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3358465 + ... + 3698941.

It is an arithmetic number, because the mean of its divisors is an integer number (150734717770).

Almost surely, 21201442211331 is an apocalyptic number.

1201442211331 is a deficient number, since it is larger than the sum of its proper divisors (4435530829).

1201442211331 is a wasteful number, since it uses less digits than its factorization.

1201442211331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353493.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1201442211331 its reverse (1331122441021), we get a palindrome (2532564652352).

The spelling of 1201442211331 in words is "one trillion, two hundred one billion, four hundred forty-two million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 277 12739 340477 3528703 94312129 4337336503 1201442211331