1011201210 has 48 divisors (see below), whose sum is σ = 2743438464. Its totient is φ = 257929056.

The previous prime is 1011201181. The next prime is 1011201211. The reversal of 1011201210 is 121021101.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1011201192 and 1011201201.

It is not an unprimeable number, because it can be changed into a prime (1011201211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242182 + ... + 246321.

It is an arithmetic number, because the mean of its divisors is an integer number (57154968).

Almost surely, 2^1011201210 is an apocalyptic number.

1011201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011201210 is an abundant number, since it is smaller than the sum of its proper divisors (1732237254).

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

1011201210 is a wasteful number, since it uses less digits than its factorization.

1011201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488539 (or 488536 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 1011201210 is about 31799.3900884907. The cubic root of 1011201210 is about 1003.7198819867.

Adding to 1011201210 its reverse (121021101), we get a palindrome (1132222311).

The spelling of 1011201210 in words is "one billion, eleven million, two hundred one thousand, two hundred ten".