121201010 has 96 divisors (see below), whose sum is σ = 267909120. Its totient is φ = 39312000.

The previous prime is 121200997. The next prime is 121201037. The reversal of 121201010 is 10102121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1199960 + ... + 1200060.

It is an arithmetic number, because the mean of its divisors is an integer number (2790720).

Almost surely, 2^121201010 is an apocalyptic number.

121201010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121201010 is an abundant number, since it is smaller than the sum of its proper divisors (146708110).

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

121201010 is a wasteful number, since it uses less digits than its factorization.

121201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 121201010 is about 11009.1330267192. The cubic root of 121201010 is about 494.8824806892.

Adding to 121201010 its reverse (10102121), we get a palindrome (131303131).

The spelling of 121201010 in words is "one hundred twenty-one million, two hundred one thousand, ten".