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1212210002102 = 211149638957881
BaseRepresentation
bin10001101000111101010…
…110001011100010110110
311021212220222222111001112
4101220331112023202312
5124330101230031402
62324514231155022
7153402460002551
oct21507526134266
94255828874045
101212210002102
11428105a42420
12176b26815a72
138a4070c9318
1442957dad698
15217ebadde52
hex11a3d58b8b6

1212210002102 has 32 divisors (see below), whose sum is σ = 1997276292000. Its totient is φ = 547211411200.

The previous prime is 1212210002089. The next prime is 1212210002147. The reversal of 1212210002102 is 2012000122121.

It is a super-2 number, since 2×12122100021022 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 20914202 + ... + 20972082.

It is an arithmetic number, because the mean of its divisors is an integer number (62414884125).

Almost surely, 21212210002102 is an apocalyptic number.

1212210002102 is a deficient number, since it is larger than the sum of its proper divisors (785066289898).

1212210002102 is a wasteful number, since it uses less digits than its factorization.

1212210002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64432.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212210002102 its reverse (2012000122121), we get a palindrome (3224210124223).

The spelling of 1212210002102 in words is "one trillion, two hundred twelve billion, two hundred ten million, two thousand, one hundred two".

Divisors: 1 2 11 22 149 298 1639 3278 6389 12778 57881 70279 115762 140558 636691 951961 1273382 1903922 8624269 10471571 17248538 20943142 94866959 189733918 369801709 739603418 4067818799 8135637598 55100454641 110200909282 606105001051 1212210002102