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10122122220000 = 25354724100291
BaseRepresentation
bin1001001101001011110101…
…1111111101000111100000
31022211122222002201210212120
42103102331133331013200
52311320101242020000
633310012212024240
72063204424160110
oct223227537750740
938748862653776
1010122122220000
11325284a12346a
12117589a302080
13585686c1046b
1426dcb0267040
1512847639e6a0
hex934bd7fd1e0

10122122220000 has 240 divisors, whose sum is σ = 37945813352832. Its totient is φ = 2313627840000.

The previous prime is 10122122219983. The next prime is 10122122220029. The reversal of 10122122220000 is 2222122101.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11630146 + ... + 12470145.

Almost surely, 210122122220000 is an apocalyptic number.

10122122220000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122122220000 is an abundant number, since it is smaller than the sum of its proper divisors (27823691132832).

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

10122122220000 is an equidigital number, since it uses as much as digits as its factorization.

10122122220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100331 (or 24100308 counting only the distinct ones).

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

Adding to 10122122220000 its reverse (2222122101), we get a palindrome (10124344342101).

It can be divided in two parts, 101221 and 22220000, that added together give a triangular number (22321221 = T6681).

The spelling of 10122122220000 in words is "ten trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand".