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1213010310000 = 2435447860291
BaseRepresentation
bin10001101001101101000…
…011000111001101110000
311021221222202220100002210
4101221231003013031300
5124333221114410000
62325125500412120
7153431345340666
oct21515503071560
94257882810083
101213010310000
11428486773605
1217710a847040
138a503b593a8
14429d23b8c36
1521846ec7350
hex11a6d0c7370

1213010310000 has 200 divisors, whose sum is σ = 3999077685504. Its totient is φ = 316586720000.

The previous prime is 1213010309981. The next prime is 1213010310013. The reversal of 1213010310000 is 130103121.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×12130103100002 (a number of 25 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 979855 + ... + 1840145.

Almost surely, 21213010310000 is an apocalyptic number.

1213010310000 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 1213010310000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1999538842752).

1213010310000 is an abundant number, since it is smaller than the sum of its proper divisors (2786067375504).

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

1213010310000 is an equidigital number, since it uses as much as digits as its factorization.

1213010310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860369 (or 860348 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 1213010310000 its reverse (130103121), we get a palindrome (1213140413121).

The spelling of 1213010310000 in words is "one trillion, two hundred thirteen billion, ten million, three hundred ten thousand".