1201001111230 has 64 divisors (see below), whose sum is σ = 2420434275840. Its totient is φ = 426884198400.

The previous prime is 1201001111207. The next prime is 1201001111263. The reversal of 1201001111230 is 321111001021.

It is a happy number.

It is a super-2 number, since 2×1201001111230² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1201001111230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2563125 + ... + 2995264.

It is an arithmetic number, because the mean of its divisors is an integer number (37819285560).

Almost surely, 2^{1201001111230} is an apocalyptic number.

1201001111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201001111230 is an abundant number, since it is smaller than the sum of its proper divisors (1219433164610).

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

1201001111230 is a wasteful number, since it uses less digits than its factorization.

1201001111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5558485.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1201001111230 its reverse (321111001021), we get a palindrome (1522112112251).

The spelling of 1201001111230 in words is "one trillion, two hundred one billion, one million, one hundred eleven thousand, two hundred thirty".