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202001202001212 = 223137267146002163
BaseRepresentation
bin101101111011100000010001…
…111000111011010100111100
3222111020010102002020220012220
4231323200101320323110330
5202434041430203014322
61553342023205325340
760356051044544355
oct5573402170732474
9874203362226186
10202001202001212
1159400257407469
121a7a5229a06850
138893829868573
1437c4ca5da4d2c
1518547ac85055c
hexb7b811e3b53c

202001202001212 has 48 divisors (see below), whose sum is σ = 474954310451712. Its totient is φ = 66817220261760.

The previous prime is 202001202001187. The next prime is 202001202001273. The reversal of 202001202001212 is 212100202100202.

It is a junction number, because it is equal to n+sod(n) for n = 202001202001191 and 202001202001200.

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, 18609958 + ... + 27392205.

It is an arithmetic number, because the mean of its divisors is an integer number (9894881467744).

Almost surely, 2202001202001212 is an apocalyptic number.

It is an amenable number.

202001202001212 is an abundant number, since it is smaller than the sum of its proper divisors (272953108450500).

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

202001202001212 is a wasteful number, since it uses less digits than its factorization.

202001202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46004978 (or 46004976 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202001202001212 its reverse (212100202100202), we get a palindrome (414101404101414).

The spelling of 202001202001212 in words is "two hundred two trillion, one billion, two hundred two million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 137 274 411 548 822 1644 2671 5342 8013 10684 16026 32052 365927 731854 1097781 1463708 2195562 4391124 46002163 92004326 138006489 184008652 276012978 552025956 6302296331 12604592662 18906888993 25209185324 37813777986 75627555972 122871777373 245743554746 368615332119 491487109492 737230664238 1474461328476 16833433500101 33666867000202 50500300500303 67333734000404 101000601000606 202001202001212