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10121012101200 = 243527111323379901
BaseRepresentation
bin1001001101000111101101…
…0101001100000001010000
31022211120002201211221011110
42103101323111030001100
52311310313044214300
633305310114213320
72063135054261130
oct223217325140120
938746081757143
1010121012101200
11325232a527810
12117562a584240
1358553ac28b30
1426dc06a52ac0
1512840dbba550
hex9347b54c050

10121012101200 has 1920 divisors, whose sum is σ = 46655237873664. Its totient is φ = 1806520320000.

The previous prime is 10121012101159. The next prime is 10121012101247. The reversal of 10121012101200 is 210121012101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 1022216250 + ... + 1022226150.

Almost surely, 210121012101200 is an apocalyptic number.

10121012101200 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 10121012101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23327618936832).

10121012101200 is an abundant number, since it is smaller than the sum of its proper divisors (36534225772464).

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

10121012101200 is a wasteful number, since it uses less digits than its factorization.

10121012101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10013 (or 10002 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10121012101200 its reverse (210121012101), we get a palindrome (10331133113301).

The spelling of 10121012101200 in words is "ten trillion, one hundred twenty-one billion, twelve million, one hundred one thousand, two hundred".