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12212011210012 = 2229149970230793
BaseRepresentation
bin1011000110110101010010…
…0101110001010100011100
31121020110100001120110212221
42301231110211301110130
53100040144332210022
641550042010035124
72400201010402345
oct261552445612434
947213301513787
1012212011210012
1139890a2a63949
121452929a18aa4
136a7784299b03
143030c8d990cc
151629e0acbcc7
hexb1b5497151c

12212011210012 has 24 divisors (see below), whose sum is σ = 22122700110000. Its totient is φ = 5891520679296.

The previous prime is 12212011209953. The next prime is 12212011210019. The reversal of 12212011210012 is 21001211021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212011210019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34941513 + ... + 35289280.

It is an arithmetic number, because the mean of its divisors is an integer number (921779171250).

Almost surely, 212212011210012 is an apocalyptic number.

It is an amenable number.

12212011210012 is a deficient number, since it is larger than the sum of its proper divisors (9910688899988).

12212011210012 is a wasteful number, since it uses less digits than its factorization.

12212011210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70232325 (or 70232323 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212011210012 its reverse (21001211021221), we get a palindrome (33213222231233).

The spelling of 12212011210012 in words is "twelve trillion, two hundred twelve billion, eleven million, two hundred ten thousand, twelve".

Divisors: 1 2 4 29 58 116 1499 2998 5996 43471 86942 173884 70230793 140461586 280923172 2036692997 4073385994 8146771988 105275958707 210551917414 421103834828 3053002802503 6106005605006 12212011210012