1211035404252 has 48 divisors (see below), whose sum is σ = 2855901531392. Its totient is φ = 399378470400.

The previous prime is 1211035404239. The next prime is 1211035404287. The reversal of 1211035404252 is 2524045301121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 832908 + ... + 1765164.

Almost surely, 2^{1211035404252} is an apocalyptic number.

1211035404252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1211035404252 is an abundant number, since it is smaller than the sum of its proper divisors (1644866127140).

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

1211035404252 is a wasteful number, since it uses less digits than its factorization.

1211035404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933418 (or 933416 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1211035404252 in words is "one trillion, two hundred eleven billion, thirty-five million, four hundred four thousand, two hundred fifty-two".