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1213430330000 = 2454743403133
BaseRepresentation
bin10001101010000110000…
…101010111001010010000
311022000002001020120020002
4101222012011113022100
5124340101131030000
62325235303105132
7153444635424050
oct21520605271220
94260061216202
101213430330000
11428681872879
121772074421a8
138a56cb8a235
1442a320b1560
152186dce28d5
hex11a86157290

1213430330000 has 200 divisors, whose sum is σ = 3435617600448. Its totient is φ = 406357056000.

The previous prime is 1213430329999. The next prime is 1213430330029. The reversal of 1213430330000 is 330343121.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2808434 + ... + 3211566.

Almost surely, 21213430330000 is an apocalyptic number.

1213430330000 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 1213430330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717808800224).

1213430330000 is an abundant number, since it is smaller than the sum of its proper divisors (2222187270448).

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

1213430330000 is an equidigital number, since it uses as much as digits as its factorization.

1213430330000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403211 (or 403190 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 1213430330000 its reverse (330343121), we get a palindrome (1213760673121).

The spelling of 1213430330000 in words is "one trillion, two hundred thirteen billion, four hundred thirty million, three hundred thirty thousand".