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212021121032 = 2373786091447
BaseRepresentation
bin1100010101110101110…
…0011001000000001000
3202021021010010220110022
43011131130121000020
511433204401333112
6241222352240012
721214036536050
oct3053534310010
9667233126408
10212021121032
1181a10439376
1235111540008
1316cbb96a446
14a39483a560
1557ad9b7d72
hex315d719008

212021121032 has 16 divisors (see below), whose sum is σ = 454330973760. Its totient is φ = 90866194704.

The previous prime is 212021121001. The next prime is 212021121047. The reversal of 212021121032 is 230121120212.

It is a self number, because there is not a number n which added to its sum of digits gives 212021121032.

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, 1893045668 + ... + 1893045779.

It is an arithmetic number, because the mean of its divisors is an integer number (28395685860).

Almost surely, 2212021121032 is an apocalyptic number.

It is an amenable number.

212021121032 is an abundant number, since it is smaller than the sum of its proper divisors (242309852728).

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

212021121032 is a wasteful number, since it uses less digits than its factorization.

212021121032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786091460 (or 3786091456 counting only the distinct ones).

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

Adding to 212021121032 its reverse (230121120212), we get a palindrome (442142241244).

The spelling of 212021121032 in words is "two hundred twelve billion, twenty-one million, one hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 7 8 14 28 56 3786091447 7572182894 15144365788 26502640129 30288731576 53005280258 106010560516 212021121032