Search a number
-
+
10012010221212 = 223312868193741
BaseRepresentation
bin1001000110110001101001…
…0100000000111010011100
31022110010202012120201001020
42101230122110000322130
52303014044104034322
633143242021444140
72052225642501426
oct221543224007234
938403665521036
1010012010221212
113210084836a7a
121158489b70650
1357818945b4ac
1426882624b816
1512567e53205c
hex91b1a500e9c

10012010221212 has 36 divisors (see below), whose sum is σ = 24139258802568. Its totient is φ = 3229680712800.

The previous prime is 10012010221183. The next prime is 10012010221219. The reversal of 10012010221212 is 21212201021001.

It is a super-2 number, since 2×100120102212122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10012010221191 and 10012010221200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10012010221219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 434085339 + ... + 434108402.

It is an arithmetic number, because the mean of its divisors is an integer number (670534966738).

Almost surely, 210012010221212 is an apocalyptic number.

10012010221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10012010221212 is an abundant number, since it is smaller than the sum of its proper divisors (14127248581356).

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

10012010221212 is a wasteful number, since it uses less digits than its factorization.

10012010221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868193810 (or 868193777 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10012010221212 its reverse (21212201021001), we get a palindrome (31224211242213).

The spelling of 10012010221212 in words is "ten trillion, twelve billion, ten million, two hundred twenty-one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 31 62 93 124 186 372 961 1922 2883 3844 5766 11532 868193741 1736387482 2604581223 3472774964 5209162446 10418324892 26914005971 53828011942 80742017913 107656023884 161484035826 322968071652 834334185101 1668668370202 2503002555303 3337336740404 5006005110606 10012010221212