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10212002212220 = 2254311874421177
BaseRepresentation
bin1001010010011010101011…
…0000111010100101111100
31100011020221222210111021022
42110212222300322211330
52314303140031242340
633415155024123312
72102535635410544
oct224465260724574
940136858714238
1010212002212220
113287982027976
12118b1a2a66538
13590cabc05103
14274399246324
1512a986e233b5
hex949aac3a97c

10212002212220 has 24 divisors (see below), whose sum is σ = 21943930336944. Its totient is φ = 3989805515136.

The previous prime is 10212002212213. The next prime is 10212002212229. The reversal of 10212002212220 is 2221220021201.

It is a happy number.

10212002212220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212002212229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5937209729 + ... + 5937211448.

It is an arithmetic number, because the mean of its divisors is an integer number (914330430706).

Almost surely, 210212002212220 is an apocalyptic number.

10212002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212002212220 is an abundant number, since it is smaller than the sum of its proper divisors (11731928124724).

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

10212002212220 is a wasteful number, since it uses less digits than its factorization.

10212002212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874421229 (or 11874421227 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10212002212220 its reverse (2221220021201), we get a palindrome (12433222233421).

The spelling of 10212002212220 in words is "ten trillion, two hundred twelve billion, two million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 11874421177 23748842354 47497684708 59372105885 118744211770 237488423540 510600110611 1021200221222 2042400442444 2553000553055 5106001106110 10212002212220