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302121012212 = 22195457386429
BaseRepresentation
bin1000110010101111101…
…00001100101111110100
31001212211022222121111222
410121113310030233310
514422220434342322
6350443101445512
730553561142405
oct4312764145764
91055738877458
10302121012212
11107146487158
124a677870898
132264a395816
14108a0adb9ac
157cd39c6e42
hex4657d0cbf4

302121012212 has 12 divisors (see below), whose sum is σ = 528715844580. Its totient is φ = 151059342336.

The previous prime is 302121012197. The next prime is 302121012229. The reversal of 302121012212 is 212210121203.

It can be written as a sum of positive squares in 2 ways, for example, as 85406555536 + 216714456676 = 292244^2 + 465526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588614 + ... + 975042.

It is an arithmetic number, because the mean of its divisors is an integer number (44059653715).

Almost surely, 2302121012212 is an apocalyptic number.

It is an amenable number.

302121012212 is a deficient number, since it is larger than the sum of its proper divisors (226594832368).

302121012212 is a wasteful number, since it uses less digits than its factorization.

302121012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581890 (or 581888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 302121012212 its reverse (212210121203), we get a palindrome (514331133415).

The spelling of 302121012212 in words is "three hundred two billion, one hundred twenty-one million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 195457 386429 390914 772858 781828 1545716 75530253053 151060506106 302121012212