1211202034042 has 48 divisors (see below), whose sum is σ = 2482903698912. Its totient is φ = 435597130080.

The previous prime is 1211202034027. The next prime is 1211202034061. The reversal of 1211202034042 is 2404302021121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43199988 + ... + 43228015.

It is an arithmetic number, because the mean of its divisors is an integer number (51727160394).

Almost surely, 2^{1211202034042} is an apocalyptic number.

1211202034042 is an abundant number, since it is smaller than the sum of its proper divisors (1271701664870).

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

1211202034042 is a wasteful number, since it uses less digits than its factorization.

1211202034042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86428043 (or 86428036 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1211202034042 its reverse (2404302021121), we get a palindrome (3615504055163).

The spelling of 1211202034042 in words is "one trillion, two hundred eleven billion, two hundred two million, thirty-four thousand, forty-two".