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10122020020000 = 25547101715843
BaseRepresentation
bin1001001101001011011101…
…1010000101111100100000
31022211122200222102111211101
42103102313122011330200
52311314344111120000
633305554121324144
72063202043402660
oct223226732057440
938748628374741
1010122020020000
1132527a746a059
121175870036654
1358566b9a94a5
1426dca08621a0
1512846c412e6a
hex934b7685f20

10122020020000 has 240 divisors, whose sum is σ = 28740884622912. Its totient is φ = 3436041600000.

The previous prime is 10122020019971. The next prime is 10122020020003. The reversal of 10122020020000 is 2002022101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10122020020003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13782079 + ... + 14497921.

Almost surely, 210122020020000 is an apocalyptic number.

10122020020000 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 10122020020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14370442311456).

10122020020000 is an abundant number, since it is smaller than the sum of its proper divisors (18618864602912).

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

10122020020000 is an equidigital number, since it uses as much as digits as its factorization.

10122020020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715981 (or 715958 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 10122020020000 its reverse (2002022101), we get a palindrome (10124022042101).

The spelling of 10122020020000 in words is "ten trillion, one hundred twenty-two billion, twenty million, twenty thousand".