121210201030 has 32 divisors (see below), whose sum is σ = 221477649408. Its totient is φ = 47752303200.

The previous prime is 121210201027. The next prime is 121210201031. The reversal of 121210201030 is 30102012121.

It is a self number, because there is not a number n which added to its sum of digits gives 121210201030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121210201031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 611095 + ... + 784765.

It is an arithmetic number, because the mean of its divisors is an integer number (6921176544).

Almost surely, 2^121210201030 is an apocalyptic number.

121210201030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121210201030 is a deficient number, since it is larger than the sum of its proper divisors (100267448378).

121210201030 is a wasteful number, since it uses less digits than its factorization.

121210201030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174732.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121210201030 its reverse (30102012121), we get a palindrome (151312213151).

The spelling of 121210201030 in words is "one hundred twenty-one billion, two hundred ten million, two hundred one thousand, thirty".