121012223310 has 96 divisors (see below), whose sum is σ = 352511389152. Its totient is φ = 28543415040.

The previous prime is 121012223291. The next prime is 121012223351. The reversal of 121012223310 is 13322210121.

121012223310 is a `hidden beast` number, since 1 + 210 + 122 + 2 + 331 + 0 = 666.

It is a super-2 number, since 2×121012223310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1615189 + ... + 1688448.

It is an arithmetic number, because the mean of its divisors is an integer number (3671993637).

Almost surely, 2^121012223310 is an apocalyptic number.

121012223310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121012223310 is an abundant number, since it is smaller than the sum of its proper divisors (231499165842).

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

121012223310 is a wasteful number, since it uses less digits than its factorization.

121012223310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303698 (or 3303695 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 121012223310 its reverse (13322210121), we get a palindrome (134334433431).

The spelling of 121012223310 in words is "one hundred twenty-one billion, twelve million, two hundred twenty-three thousand, three hundred ten".