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1012012121012 = 228922391269643
BaseRepresentation
bin11101011101000001001…
…11110111101110110100
310120202011212100101201212
432232200213313232310
5113040100100333022
62052524551540552
7133054414045004
oct16564047675664
93522155311655
101012012121012
11360212506232
1214417498a758
1374580ab5459
1436da58dc004
151b4d10cd3e2
hexeba09f7bb4

1012012121012 has 24 divisors (see below), whose sum is σ = 1791721612800. Its totient is φ = 500096748096.

The previous prime is 1012012120993. The next prime is 1012012121047. The reversal of 1012012121012 is 2101212102101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162263 + ... + 1431905.

It is an arithmetic number, because the mean of its divisors is an integer number (74655067200).

Almost surely, 21012012121012 is an apocalyptic number.

It is an amenable number.

1012012121012 is a deficient number, since it is larger than the sum of its proper divisors (779709491788).

1012012121012 is a wasteful number, since it uses less digits than its factorization.

1012012121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271975 (or 1271973 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1012012121012 its reverse (2101212102101), we get a palindrome (3113224223113).

The spelling of 1012012121012 in words is "one trillion, twelve billion, twelve million, one hundred twenty-one thousand, twelve".

Divisors: 1 2 4 89 178 356 2239 4478 8956 199271 398542 797084 1269643 2539286 5078572 112998227 225996454 451992908 2842730677 5685461354 11370922708 253003030253 506006060506 1012012121012