1231203150254 has 64 divisors (see below), whose sum is σ = 2370139978752. Its totient is φ = 465786547200.

The previous prime is 1231203150253. The next prime is 1231203150269. The reversal of 1231203150254 is 4520513021321.

It is a super-2 number, since 2×1231203150254² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1231203150253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14159 + ... + 1569269.

It is an arithmetic number, because the mean of its divisors is an integer number (37033437168).

Almost surely, 2^{1231203150254} is an apocalyptic number.

1231203150254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1231203150254 is a deficient number, since it is larger than the sum of its proper divisors (1138936828498).

1231203150254 is a wasteful number, since it uses less digits than its factorization.

1231203150254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555281.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1231203150254 its reverse (4520513021321), we get a palindrome (5751716171575).

The spelling of 1231203150254 in words is "one trillion, two hundred thirty-one billion, two hundred three million, one hundred fifty thousand, two hundred fifty-four".