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120213221112 = 2332371011632741
BaseRepresentation
bin110111111110101000…
…1000010111011111000
3102111021212101100212200
41233331101002323320
53432144041033422
6131120350310200
711453665343205
oct1577521027370
9374255340780
10120213221112
1146a89258316
121b36b1b8360
13b44a4203ca
145b657aacac
1531d8a722ac
hex1bfd442ef8

120213221112 has 192 divisors, whose sum is σ = 339883184160. Its totient is φ = 38351232000.

The previous prime is 120213220991. The next prime is 120213221137. The reversal of 120213221112 is 211122312021.

120213221112 is a `hidden beast` number, since 120 + 213 + 221 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43856062 + ... + 43858802.

Almost surely, 2120213221112 is an apocalyptic number.

120213221112 is a gapful number since it is divisible by the number (12) 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 120213221112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169941592080).

120213221112 is an abundant number, since it is smaller than the sum of its proper divisors (219669963048).

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

120213221112 is a wasteful number, since it uses less digits than its factorization.

120213221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3054 (or 3047 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 120213221112 its reverse (211122312021), we get a palindrome (331335533133).

Subtracting 120213221112 from its reverse (211122312021), we obtain a palindrome (90909090909).

The spelling of 120213221112 in words is "one hundred twenty billion, two hundred thirteen million, two hundred twenty-one thousand, one hundred twelve".