121122012010 has 16 divisors (see below), whose sum is σ = 219736313856. Its totient is φ = 48067317648.

The previous prime is 121122011957. The next prime is 121122012019. The reversal of 121122012010 is 10210221121.

It is not an unprimeable number, because it can be changed into a prime (121122012019) 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, 47684562 + ... + 47687101.

It is an arithmetic number, because the mean of its divisors is an integer number (13733519616).

Almost surely, 2^121122012010 is an apocalyptic number.

121122012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121122012010 is a deficient number, since it is larger than the sum of its proper divisors (98614301846).

121122012010 is a wasteful number, since it uses less digits than its factorization.

121122012010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95371797.

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

Adding to 121122012010 its reverse (10210221121), we get a palindrome (131332233131).

The spelling of 121122012010 in words is "one hundred twenty-one billion, one hundred twenty-two million, twelve thousand, ten".