1203222131000 has 32 divisors (see below), whose sum is σ = 2815539788880. Its totient is φ = 481288852000.

The previous prime is 1203222130969. The next prime is 1203222131017. The reversal of 1203222131000 is 1312223021.

It is a super-2 number, since 2×1203222131000² (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 1203222131000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601610066 + ... + 601612065.

Almost surely, 2^{1203222131000} is an apocalyptic number.

1203222131000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203222131000 is an abundant number, since it is smaller than the sum of its proper divisors (1612317657880).

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

1203222131000 is a wasteful number, since it uses less digits than its factorization.

1203222131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203222152 (or 1203222138 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1203222131000 its reverse (1312223021), we get a palindrome (1204534354021).

The spelling of 1203222131000 in words is "one trillion, two hundred three billion, two hundred twenty-two million, one hundred thirty-one thousand".