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1220212021030 = 25122021202103
BaseRepresentation
bin10001110000011010010…
…011011101011100100110
311022122120200012011101221
4101300122103131130212
5124442443234133110
62332320242210554
7154104664022032
oct21603223353446
94278520164357
101220212021030
11430541969702
1217859a653a5a
138b0b0b98372
14430b6a411c2
1521b193877da
hex11c1a4dd726

1220212021030 has 8 divisors (see below), whose sum is σ = 2196381637872. Its totient is φ = 488084808408.

The previous prime is 1220212020967. The next prime is 1220212021031. The reversal of 1220212021030 is 301202120221.

It is a happy number.

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

It is a super-3 number, since 3×12202120210303 (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1220212020995 and 1220212021013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220212021031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61010601042 + ... + 61010601061.

It is an arithmetic number, because the mean of its divisors is an integer number (274547704734).

Almost surely, 21220212021030 is an apocalyptic number.

1220212021030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220212021030 is a deficient number, since it is larger than the sum of its proper divisors (976169616842).

1220212021030 is a wasteful number, since it uses less digits than its factorization.

1220212021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122021202110.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1220212021030 its reverse (301202120221), we get a palindrome (1521414141251).

The spelling of 1220212021030 in words is "one trillion, two hundred twenty billion, two hundred twelve million, twenty-one thousand, thirty".

Divisors: 1 2 5 10 122021202103 244042404206 610106010515 1220212021030