1213011120030 has 32 divisors (see below), whose sum is σ = 2926310778144. Its totient is φ = 321793622016.

The previous prime is 1213011119963. The next prime is 1213011120103. The reversal of 1213011120030 is 300211103121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1213011119991 and 1213011120009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104744739 + ... + 104756318.

It is an arithmetic number, because the mean of its divisors is an integer number (91447211817).

Almost surely, 2^{1213011120030} is an apocalyptic number.

1213011120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213011120030 is an abundant number, since it is smaller than the sum of its proper divisors (1713299658114).

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

1213011120030 is a wasteful number, since it uses less digits than its factorization.

1213011120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209501260.

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

Adding to 1213011120030 its reverse (300211103121), we get a palindrome (1513222223151).

The spelling of 1213011120030 in words is "one trillion, two hundred thirteen billion, eleven million, one hundred twenty thousand, thirty".