121222131310 has 16 divisors (see below), whose sum is σ = 249371241696. Its totient is φ = 41561873568.

The previous prime is 121222131271. The next prime is 121222131313. The reversal of 121222131310 is 13131222121.

It is a super-3 number, since 3×121222131310³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222131313) 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, 865872297 + ... + 865872436.

It is an arithmetic number, because the mean of its divisors is an integer number (15585702606).

Almost surely, 2^121222131310 is an apocalyptic number.

121222131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121222131310 is an abundant number, since it is smaller than the sum of its proper divisors (128149110386).

121222131310 is a wasteful number, since it uses less digits than its factorization.

121222131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731744747.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121222131310 its reverse (13131222121), we get a palindrome (134353353431).

The spelling of 121222131310 in words is "one hundred twenty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, three hundred ten".