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12220010102220 = 22351727915159077
BaseRepresentation
bin1011000111010011000101…
…0111000111110111001100
31121021012222111220022011220
42301310301113013313030
53100203040041232340
641553443430043340
72400603146016654
oct261646127076714
947235874808156
1012220010102220
113991528144a68
1214543a07a9550
136a845a51291b
14303647455364
15162d0ce58ed0
hexb1d315c7dcc

12220010102220 has 288 divisors, whose sum is σ = 37051604244480. Its totient is φ = 3008055398400.

The previous prime is 12220010102197. The next prime is 12220010102233. The reversal of 12220010102220 is 2220101002221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12220010102220.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206819322 + ... + 206878398.

Almost surely, 212220010102220 is an apocalyptic number.

12220010102220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12220010102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18525802122240).

12220010102220 is an abundant number, since it is smaller than the sum of its proper divisors (24831594142260).

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

12220010102220 is a wasteful number, since it uses less digits than its factorization.

12220010102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59353 (or 59334 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220010102220 its reverse (2220101002221), we get a palindrome (14440111104441).

Subtracting from 12220010102220 its reverse (2220101002221), we obtain a palindrome (9999909099999).

The spelling of 12220010102220 in words is "twelve trillion, two hundred twenty billion, ten million, one hundred two thousand, two hundred twenty".