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120213312000000 = 2123564115271
BaseRepresentation
bin11011010101010101010111…
…110000100101000000000000
3120202122021120101221101102220
4123111111113300211000000
5111224033330333000000
61103401122205211040
734215060636234612
oct3325252760450000
9522567511841386
10120213312000000
11353381a773aaaa
121159618ab60a80
1352100b365a60b
1421984d90d4db2
15dd705660b1a0
hex6d5557c25000

120213312000000 has 728 divisors, whose sum is σ = 410455994846016. Its totient is φ = 31272960000000.

The previous prime is 120213311999993. The next prime is 120213312000037. The reversal of 120213312000000 is 213312021.

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

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 7871992365 + ... + 7872007635.

Almost surely, 2120213312000000 is an apocalyptic number.

120213312000000 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 120213312000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205227997423008).

120213312000000 is an abundant number, since it is smaller than the sum of its proper divisors (290242682846016).

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

120213312000000 is an frugal number, since it uses more digits than its factorization.

120213312000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15369 (or 15322 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 120213312000000 its reverse (213312021), we get a palindrome (120213525312021).

The spelling of 120213312000000 in words is "one hundred twenty trillion, two hundred thirteen billion, three hundred twelve million", and thus it is an aban number.