1202120211 has 8 divisors (see below), whose sum is σ = 1613442304. Its totient is φ = 796105800.

The previous prime is 1202120197. The next prime is 1202120239. The reversal of 1202120211 is 1120212021.

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

It is not a de Polignac number, because 1202120211 - 2¹³ = 1202112019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202120251) 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, 1326391 + ... + 1327296.

It is an arithmetic number, because the mean of its divisors is an integer number (201680288).

Almost surely, 2^1202120211 is an apocalyptic number.

1202120211 is a deficient number, since it is larger than the sum of its proper divisors (411322093).

1202120211 is a wasteful number, since it uses less digits than its factorization.

1202120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2653841.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1202120211 is about 34671.6052555978. The cubic root of 1202120211 is about 1063.2840510588.

Adding to 1202120211 its reverse (1120212021), we get a palindrome (2322332232).

The spelling of 1202120211 in words is "one billion, two hundred two million, one hundred twenty thousand, two hundred eleven".