1211402331034 has 16 divisors (see below), whose sum is σ = 2077139223936. Its totient is φ = 519060049200.

The previous prime is 1211402331031. The next prime is 1211402331047. The reversal of 1211402331034 is 4301332041121.

It is a super-3 number, since 3×1211402331034³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1211402331031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9297862 + ... + 9427249.

It is an arithmetic number, because the mean of its divisors is an integer number (129821201496).

Almost surely, 2^{1211402331034} is an apocalyptic number.

1211402331034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1211402331034 is a deficient number, since it is larger than the sum of its proper divisors (865736892902).

1211402331034 is a wasteful number, since it uses less digits than its factorization.

1211402331034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18729741.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1211402331034 its reverse (4301332041121), we get a palindrome (5512734372155).

The spelling of 1211402331034 in words is "one trillion, two hundred eleven billion, four hundred two million, three hundred thirty-one thousand, thirty-four".