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12103030210202 = 26051515105101
BaseRepresentation
bin1011000000011111010011…
…0100001111111010011010
31120212001000222121001222122
42300013310310033322122
53041244001213211302
641424015541021242
72356262241236051
oct260076464177232
946761028531878
1012103030210202
113946959034758
1214357943b4822
1369a406c303c9
142dbb0b26b398
1515ec631ba3a2
hexb01f4d0fe9a

12103030210202 has 4 divisors (see below), whose sum is σ = 18154545315306. Its totient is φ = 6051515105100.

The previous prime is 12103030210199. The next prime is 12103030210211. The reversal of 12103030210202 is 20201203030121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7008615569641 + 5094414640561 = 2647379^2 + 2257081^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3025757552549 + ... + 3025757552552.

Almost surely, 212103030210202 is an apocalyptic number.

12103030210202 is a deficient number, since it is larger than the sum of its proper divisors (6051515105104).

12103030210202 is an equidigital number, since it uses as much as digits as its factorization.

12103030210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051515105103.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12103030210202 its reverse (20201203030121), we get a palindrome (32304233240323).

The spelling of 12103030210202 in words is "twelve trillion, one hundred three billion, thirty million, two hundred ten thousand, two hundred two".

Divisors: 1 2 6051515105101 12103030210202