121310112030 has 16 divisors (see below), whose sum is σ = 291144268944. Its totient is φ = 32349363200.

The previous prime is 121310112013. The next prime is 121310112097. The reversal of 121310112030 is 30211013121.

It is a happy number.

It is a super-2 number, since 2×121310112030² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021835171 + ... + 2021835230.

It is an arithmetic number, because the mean of its divisors is an integer number (18196516809).

Almost surely, 2^121310112030 is an apocalyptic number.

121310112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121310112030 is an abundant number, since it is smaller than the sum of its proper divisors (169834156914).

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

121310112030 is a wasteful number, since it uses less digits than its factorization.

121310112030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043670411.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 121310112030 its reverse (30211013121), we get a palindrome (151521125151).

The spelling of 121310112030 in words is "one hundred twenty-one billion, three hundred ten million, one hundred twelve thousand, thirty".