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1201210202011 = 4354751069691
BaseRepresentation
bin10001011110101101101…
…101010001011110011011
311020211112101220202001011
4101132231231101132123
5124140034302431021
62315454531234351
7152533052151541
oct21365555213633
94224471822034
101201210202011
11423480930846
12174976a489b7
1389373241981
14421d3151d91
15213a608dde1
hex117adb5179b

1201210202011 has 8 divisors (see below), whose sum is σ = 1231392413504. Its totient is φ = 1171130131080.

The previous prime is 1201210202009. The next prime is 1201210202053. The reversal of 1201210202011 is 1102020121021.

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

It is a cyclic number.

It is not a de Polignac number, because 1201210202011 - 21 = 1201210202009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201210201982 and 1201210202000.

It is not an unprimeable number, because it can be changed into a prime (1201210202111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25511325 + ... + 25558366.

It is an arithmetic number, because the mean of its divisors is an integer number (153924051688).

Almost surely, 21201210202011 is an apocalyptic number.

1201210202011 is a deficient number, since it is larger than the sum of its proper divisors (30182211493).

1201210202011 is an equidigital number, since it uses as much as digits as its factorization.

1201210202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51070281.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201210202011 its reverse (1102020121021), we get a palindrome (2303230323032).

The spelling of 1201210202011 in words is "one trillion, two hundred one billion, two hundred ten million, two hundred two thousand, eleven".

Divisors: 1 43 547 23521 51069691 2195996713 27935120977 1201210202011