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120303311012 = 22141072131979
BaseRepresentation
bin111000000001010100…
…0101101100010100100
3102111112010220101222122
41300002220231202210
53432340121423022
6131133325245112
711456141162033
oct1600250554244
9374463811878
10120303311012
11470250a0185
121b395403798
13b462ca4241
145b7373c71a
1531e191a742
hex1c02a2d8a4

120303311012 has 12 divisors (see below), whose sum is σ = 210545816880. Its totient is φ = 60147363336.

The previous prime is 120303311003. The next prime is 120303311053. The reversal of 120303311012 is 210113303021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009562 + ... + 1122417.

It is an arithmetic number, because the mean of its divisors is an integer number (17545484740).

Almost surely, 2120303311012 is an apocalyptic number.

It is an amenable number.

120303311012 is a deficient number, since it is larger than the sum of its proper divisors (90242505868).

120303311012 is a wasteful number, since it uses less digits than its factorization.

120303311012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146090 (or 2146088 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 120303311012 its reverse (210113303021), we get a palindrome (330416614033).

The spelling of 120303311012 in words is "one hundred twenty billion, three hundred three million, three hundred eleven thousand, twelve".

Divisors: 1 2 4 14107 28214 56428 2131979 4263958 8527916 30075827753 60151655506 120303311012