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120211101010 = 257111325771601
BaseRepresentation
bin110111111110100100…
…0111101010101010010
3102111021201101122122101
41233331020331111102
53432143020213020
6131120233031014
711453641333150
oct1577510752522
9374251348571
10120211101010
1146a8803a470
121b36a55546a
13b449b5a400
145b653b83d0
1531d87a400a
hex1bfd23d552

120211101010 has 192 divisors, whose sum is σ = 292809510144. Its totient is φ = 34504704000.

The previous prime is 120211101001. The next prime is 120211101013. The reversal of 120211101010 is 10101112021.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (120211101013) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75084210 + ... + 75085810.

It is an arithmetic number, because the mean of its divisors is an integer number (1525049532).

Almost surely, 2120211101010 is an apocalyptic number.

120211101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120211101010 is an abundant number, since it is smaller than the sum of its proper divisors (172598409134).

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

120211101010 is a wasteful number, since it uses less digits than its factorization.

120211101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2216 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 120211101010 its reverse (10101112021), we get a palindrome (130312213031).

The spelling of 120211101010 in words is "one hundred twenty billion, two hundred eleven million, one hundred one thousand, ten".