1202123131130 has 16 divisors (see below), whose sum is σ = 2170057439520. Its totient is φ = 479463518352.

The previous prime is 1202123131117. The next prime is 1202123131133. The reversal of 1202123131130 is 311313212021.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1202123131133) 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, 173213120 + ... + 173220059.

It is an arithmetic number, because the mean of its divisors is an integer number (135628589970).

Almost surely, 2^{1202123131130} is an apocalyptic number.

1202123131130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1202123131130 is a deficient number, since it is larger than the sum of its proper divisors (967934308390).

1202123131130 is a wasteful number, since it uses less digits than its factorization.

1202123131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346433533.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1202123131130 its reverse (311313212021), we get a palindrome (1513436343151).

The spelling of 1202123131130 in words is "one trillion, two hundred two billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty".