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12202123142 = 211554641961
BaseRepresentation
bin10110101110100110…
…11001111110000110
31011111101110002011202
423113103121332012
5144442220420032
65334445502502
7611244223016
oct132723317606
934441402152
1012202123142
1151a18647a0
122446571a32
1311c5cb3311
1483a7d3c46
154b6398d62
hex2d74d9f86

12202123142 has 8 divisors (see below), whose sum is σ = 19967110632. Its totient is φ = 5546419600.

The previous prime is 12202123111. The next prime is 12202123151. The reversal of 12202123142 is 24132120221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 277320959 + ... + 277321002.

It is an arithmetic number, because the mean of its divisors is an integer number (2495888829).

Almost surely, 212202123142 is an apocalyptic number.

12202123142 is a deficient number, since it is larger than the sum of its proper divisors (7764987490).

12202123142 is a wasteful number, since it uses less digits than its factorization.

12202123142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554641974.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12202123142 its reverse (24132120221), we get a palindrome (36334243363).

The spelling of 12202123142 in words is "twelve billion, two hundred two million, one hundred twenty-three thousand, one hundred forty-two".

Divisors: 1 2 11 22 554641961 1109283922 6101061571 12202123142