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1312201211130 = 232563432298599
BaseRepresentation
bin10011000110000101010…
…010010111110011111010
311122110000120002012100200
4103012011102113303322
5132444342002224010
62442452241543030
7163542366155445
oct23060522276372
94573016065320
101312201211130
11466557413757
12192391644a76
1396980b4b5b4
1447721bc265c
152420018dcc0
hex13185497cfa

1312201211130 has 48 divisors (see below), whose sum is σ = 3412262505600. Its totient is φ = 349865004384.

The previous prime is 1312201211107. The next prime is 1312201211159. The reversal of 1312201211130 is 311121022131.

1312201211130 is a `hidden beast` number, since 1 + 312 + 201 + 21 + 1 + 130 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578430 + ... + 1720169.

It is an arithmetic number, because the mean of its divisors is an integer number (71088802200).

Almost surely, 21312201211130 is an apocalyptic number.

1312201211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312201211130 is an abundant number, since it is smaller than the sum of its proper divisors (2100061294470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312201211130 is a wasteful number, since it uses less digits than its factorization.

1312201211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304955 (or 2304952 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 1312201211130 its reverse (311121022131), we get a palindrome (1623322233261).

The spelling of 1312201211130 in words is "one trillion, three hundred twelve billion, two hundred one million, two hundred eleven thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 6343 12686 19029 31715 38058 57087 63430 95145 114174 190290 285435 570870 2298599 4597198 6895797 11492995 13791594 20687391 22985990 34478985 41374782 68957970 103436955 206873910 14580013457 29160026914 43740040371 72900067285 87480080742 131220121113 145800134570 218700201855 262440242226 437400403710 656100605565 1312201211130