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12202102202 = 237431382583
BaseRepresentation
bin10110101110100110…
…10100110110111010
31011111101102000110012
423113103110312322
5144442214232302
65334445221522
7611244104663
oct132723246672
934441360405
1012202102202
1151a184aa94
1224465618a2
1311c5ca6924
1483a7ca36a
154b6392a52
hex2d74d4dba

12202102202 has 16 divisors (see below), whose sum is σ = 18841496832. Its totient is φ = 5922369360.

The previous prime is 12202102183. The next prime is 12202102247. The reversal of 12202102202 is 20220120221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159398 + ... + 223185.

It is an arithmetic number, because the mean of its divisors is an integer number (1177593552).

Almost surely, 212202102202 is an apocalyptic number.

12202102202 is a deficient number, since it is larger than the sum of its proper divisors (6639394630).

12202102202 is a wasteful number, since it uses less digits than its factorization.

12202102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383053.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 12202102202 its reverse (20220120221), we get a palindrome (32422222423).

The spelling of 12202102202 in words is "twelve billion, two hundred two million, one hundred two thousand, two hundred two".

Divisors: 1 2 37 74 431 862 15947 31894 382583 765166 14155571 28311142 164893273 329786546 6101051101 12202102202