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1212214124130 = 23546798635849
BaseRepresentation
bin10001101000111101100…
…101111001111001100010
311021212221021201220102020
4101220331211321321202
5124330103303433010
62324514455402310
7153402540021252
oct21507545717142
94255837656366
101212214124130
114281082a8359
12176b28083396
138a407c105a9
1442958763962
15217ec155470
hex11a3d979e62

1212214124130 has 32 divisors (see below), whose sum is σ = 2909936016000. Its totient is φ = 323187975552.

The previous prime is 1212214124129. The next prime is 1212214124153. The reversal of 1212214124130 is 314214122121.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1212214124130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177555 + ... + 4458294.

It is an arithmetic number, because the mean of its divisors is an integer number (90935500500).

Almost surely, 21212214124130 is an apocalyptic number.

1212214124130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212214124130 is an abundant number, since it is smaller than the sum of its proper divisors (1697721891870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212214124130 is a wasteful number, since it uses less digits than its factorization.

1212214124130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8640538.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1212214124130 its reverse (314214122121), we get a palindrome (1526428246251).

The spelling of 1212214124130 in words is "one trillion, two hundred twelve billion, two hundred fourteen million, one hundred twenty-four thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4679 9358 14037 23395 28074 46790 70185 140370 8635849 17271698 25907547 43179245 51815094 86358490 129537735 259075470 40407137471 80814274942 121221412413 202035687355 242442824826 404071374710 606107062065 1212214124130