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10002220012120 = 23571312517191511
BaseRepresentation
bin1001000110001101001011…
…0001010101001001011000
31022102012110220120112221111
42101203102301111021120
52302334021310341440
633134542331350104
72051431223212660
oct221432261251130
938365426515844
1010002220012120
113206a10491a86
1211565b72b2334
1357728907596b
14268177cd91a0
151252a9cb44ea
hex918d2c55258

10002220012120 has 256 divisors, whose sum is σ = 26073015091200. Its totient is φ = 3382641600000.

The previous prime is 10002220012097. The next prime is 10002220012181. The reversal of 10002220012120 is 2121002220001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10002220012120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6619602165 + ... + 6619603675.

It is an arithmetic number, because the mean of its divisors is an integer number (101847715200).

Almost surely, 210002220012120 is an apocalyptic number.

10002220012120 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 10002220012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13036507545600).

10002220012120 is an abundant number, since it is smaller than the sum of its proper divisors (16070795079080).

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

10002220012120 is a wasteful number, since it uses less digits than its factorization.

10002220012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630 (or 2626 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002220012120 its reverse (2121002220001), we get a palindrome (12123222232121).

The spelling of 10002220012120 in words is "ten trillion, two billion, two hundred twenty million, twelve thousand, one hundred twenty".