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1213313010000 = 243547213173367
BaseRepresentation
bin10001101001111111000…
…101110100100101010000
311021222202212111002102220
4101221333011310211100
5124334331112310000
62325215512341040
7153442012264200
oct21517705644520
94258685432386
101213313010000
114286216215a3
121771940a4780
138a551791110
1442a20692400
152186386b1a0
hex11a7f174950

1213313010000 has 1200 divisors, whose sum is σ = 4948489776384. Its totient is φ = 253822464000.

The previous prime is 1213313009989. The next prime is 1213313010011. The reversal of 1213313010000 is 103133121.

It is an interprime number because it is at equal distance from previous prime (1213313009989) and next prime (1213313010011).

It is a tau number, because it is divible by the number of its divisors (1200).

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 239 ways as a sum of consecutive naturals, for example, 3306029817 + ... + 3306030183.

Almost surely, 21213313010000 is an apocalyptic number.

1213313010000 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 1213313010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2474244888192).

1213313010000 is an abundant number, since it is smaller than the sum of its proper divisors (3735176766384).

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

1213313010000 is a wasteful number, since it uses less digits than its factorization.

1213313010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 1213313010000 its reverse (103133121), we get a palindrome (1213416143121).

The spelling of 1213313010000 in words is "one trillion, two hundred thirteen billion, three hundred thirteen million, ten thousand".