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1200312101030 = 25771363240283
BaseRepresentation
bin10001011101111000001…
…011010010100010100110
311020202012210222111002212
4101131320023102202212
5124131214344213110
62315225450003422
7152501565342410
oct21357013224246
94222183874085
101200312101030
1142305a986229
12174766116572
138925c161783
1442149b6b9b0
15213522d9e05
hex117782d28a6

1200312101030 has 32 divisors (see below), whose sum is σ = 2469258342144. Its totient is φ = 411528098016.

The previous prime is 1200312100997. The next prime is 1200312101039. The reversal of 1200312101030 is 301012130021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1200312100996 and 1200312101014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200312101039) 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 15 ways as a sum of consecutive naturals, for example, 4875269 + ... + 5115551.

It is an arithmetic number, because the mean of its divisors is an integer number (77164323192).

Almost surely, 21200312101030 is an apocalyptic number.

1200312101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200312101030 is an abundant number, since it is smaller than the sum of its proper divisors (1268946241114).

1200312101030 is a wasteful number, since it uses less digits than its factorization.

1200312101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311660.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1200312101030 its reverse (301012130021), we get a palindrome (1501324231051).

The spelling of 1200312101030 in words is "one trillion, two hundred billion, three hundred twelve million, one hundred one thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 71363 142726 240283 356815 480566 499541 713630 999082 1201415 1681981 2402830 2497705 3363962 4995410 8409905 16819810 17147315729 34294631458 85736578645 120031210103 171473157290 240062420206 600156050515 1200312101030