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12212011101010 = 257174457301443
BaseRepresentation
bin1011000110110101010010…
…0101010110101101010010
31121020110100001100221100211
42301231110211112231102
53100040144320213020
641550042003434334
72400201006436510
oct261552445265522
947213301327324
1012212011101010
1139890a2999a66
1214529299859aa
136a778425c306
143030c8d6b4b0
151629e0aa985a
hexb1b54956b52

12212011101010 has 16 divisors (see below), whose sum is σ = 25121851407936. Its totient is φ = 4186975234608.

The previous prime is 12212011100953. The next prime is 12212011101023. The reversal of 12212011101010 is 1010111021221.

It is a happy number.

12212011101010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 87228650652 + ... + 87228650791.

It is an arithmetic number, because the mean of its divisors is an integer number (1570115712996).

Almost surely, 212212011101010 is an apocalyptic number.

12212011101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212011101010 is an abundant number, since it is smaller than the sum of its proper divisors (12909840306926).

12212011101010 is a wasteful number, since it uses less digits than its factorization.

12212011101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174457301457.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12212011101010 its reverse (1010111021221), we get a palindrome (13222122122231).

The spelling of 12212011101010 in words is "twelve trillion, two hundred twelve billion, eleven million, one hundred one thousand, ten".

Divisors: 1 2 5 7 10 14 35 70 174457301443 348914602886 872286507215 1221201110101 1744573014430 2442402220202 6106005550505 12212011101010