Search a number
-
+
1230212312102 = 22633229724313
BaseRepresentation
bin10001111001101110010…
…111100010110000100110
311100121101121111120210202
4101321232113202300212
5130123433322441402
62341052435150502
7154610544055424
oct21715627426046
94317347446722
101230212312102
11434803862374
1217a50b745432
138c015958167
1443784c3c114
15220022a1b02
hex11e6e5e2c26

1230212312102 has 16 divisors (see below), whose sum is σ = 1852911102240. Its totient is φ = 612576733632.

The previous prime is 1230212312101. The next prime is 1230212312107. The reversal of 1230212312102 is 2012132120321.

It is a super-4 number, since 4×12302123121024 (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230212312101) 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, 1336298 + ... + 2060610.

It is an arithmetic number, because the mean of its divisors is an integer number (115806943890).

Almost surely, 21230212312102 is an apocalyptic number.

1230212312102 is a deficient number, since it is larger than the sum of its proper divisors (622698790138).

1230212312102 is a wasteful number, since it uses less digits than its factorization.

1230212312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727807.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 1230212312102 its reverse (2012132120321), we get a palindrome (3242344432423).

The spelling of 1230212312102 in words is "one trillion, two hundred thirty billion, two hundred twelve million, three hundred twelve thousand, one hundred two".

Divisors: 1 2 263 526 3229 6458 724313 849227 1448626 1698454 190494319 380988638 2338806677 4677613354 615106156051 1230212312102