1201201203430 has 32 divisors (see below), whose sum is σ = 2337472625760. Its totient is φ = 442889544960.

The previous prime is 1201201203409. The next prime is 1201201203431. The reversal of 1201201203430 is 343021021021.

It is a happy number.

It is a super-2 number, since 2×1201201203430² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1201201203398 and 1201201203407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201201203431) 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, 85426911 + ... + 85440970.

It is an arithmetic number, because the mean of its divisors is an integer number (73046019555).

Almost surely, 2^{1201201203430} is an apocalyptic number.

1201201203430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201201203430 is a deficient number, since it is larger than the sum of its proper divisors (1136271422330).

1201201203430 is a wasteful number, since it uses less digits than its factorization.

1201201203430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170867944.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201201203430 its reverse (343021021021), we get a palindrome (1544222224451).

The spelling of 1201201203430 in words is "one trillion, two hundred one billion, two hundred one million, two hundred three thousand, four hundred thirty".