1212001111230 has 512 divisors, whose sum is σ = 3883474022400. Its totient is φ = 234913333248.

The previous prime is 1212001111219. The next prime is 1212001111259. The reversal of 1212001111230 is 321111002121.

It is a super-2 number, since 2×1212001111230² (a number of 25 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 255 ways as a sum of consecutive naturals, for example, 677473176 + ... + 677474964.

It is an arithmetic number, because the mean of its divisors is an integer number (7584910200).

Almost surely, 2^{1212001111230} is an apocalyptic number.

1212001111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1212001111230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1941737011200).

1212001111230 is an abundant number, since it is smaller than the sum of its proper divisors (2671472911170).

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

1212001111230 is a wasteful number, since it uses less digits than its factorization.

1212001111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1212001111230 its reverse (321111002121), we get a palindrome (1533112113351).

It can be divided in two parts, 1212001 and 111230, that added together give a palindrome (1323231).

The spelling of 1212001111230 in words is "one trillion, two hundred twelve billion, one million, one hundred eleven thousand, two hundred thirty".