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30122012310000 = 243541377235929
BaseRepresentation
bin1101101100101010100111…
…10101111111100111110000
310221122122011211101022100120
412312111103311333213300
512422004340122410000
6144021510022250240
76226146355043502
oct666252365774760
9127578154338316
1030122012310000
119663745740496
123465a20b86980
1313a66554c0aa0
14761cada73d72
153738217746a0
hex1b6553d7f9f0

30122012310000 has 200 divisors, whose sum is σ = 104717709668880. Its totient is φ = 7414649088000.

The previous prime is 30122012309989. The next prime is 30122012310023. The reversal of 30122012310000 is 1321022103.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×301220123100002 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38227965 + ... + 39007964.

Almost surely, 230122012310000 is an apocalyptic number.

30122012310000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30122012310000 is an abundant number, since it is smaller than the sum of its proper divisors (74595697358880).

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

30122012310000 is a wasteful number, since it uses less digits than its factorization.

30122012310000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77235973 (or 77235952 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30122012310000 its reverse (1321022103), we get a palindrome (30123333332103).

The spelling of 30122012310000 in words is "thirty trillion, one hundred twenty-two billion, twelve million, three hundred ten thousand".