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120220212202100 = 22521202202122021
BaseRepresentation
bin11011010101011011110011…
…000010110000101001110100
3120202122221101021212222020122
4123111123303002300221310
5111224141443310431400
61103404223020351112
734215423634053113
oct3325336302605164
9522587337788218
10120220212202100
1135340118720a6a
12115975959a5498
135210943090a3a
1421989916b3c7a
15dd730c2b0685
hex6d56f30b0a74

120220212202100 has 18 divisors (see below), whose sum is σ = 260877860478774. Its totient is φ = 48088084880800.

The previous prime is 120220212202099. The next prime is 120220212202157. The reversal of 120220212202100 is 1202212022021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5081002875664 + 115139209326436 = 2254108^2 + 10730294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601101060911 + ... + 601101061110.

It is an arithmetic number, because the mean of its divisors is an integer number (14493214471043).

Almost surely, 2120220212202100 is an apocalyptic number.

120220212202100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220212202100 is an abundant number, since it is smaller than the sum of its proper divisors (140657648276674).

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

120220212202100 is a wasteful number, since it uses less digits than its factorization.

120220212202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202202122035 (or 1202202122028 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120220212202100 its reverse (1202212022021), we get a palindrome (121422424224121).

The spelling of 120220212202100 in words is "one hundred twenty trillion, two hundred twenty billion, two hundred twelve million, two hundred two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1202202122021 2404404244042 4808808488084 6011010610105 12022021220210 24044042440420 30055053050525 60110106101050 120220212202100